Home
Accounting
Back
Principles of Accounting
Back
Accounting in Action
The Recording Process
Adjusting the Accounts
Completing the Accounting Cycle
Accounting for Merchandising Operations
Inventories
Accounting Information Systems
Fraud, Internal Control, and Cash
Accounting for Receivables
Plant Assets, Natural Resources, and Intangible Assets
Current Liabilities and Payroll Accounting
Accounting for Partnerships
Corporations: Organization and Capital Stock Transactions
Corporations: Dividends, Retained Earnings, and Income Reporting
Long-Term Liabilities
Investments
Statement of Cash Flows
Managerial Accounting
Financial Statement Analysis
Job Order Costing
Process Costing
Cost Volume Profit
Budgetary Planning
Budgetary Control and Responsibility Accounting
Standard Costs and Balanced Scorecard
Incremental Analysis and Capital Budgeting
Banking
Back
Principles and Practices of Banking
Bank fund Management
Back
Statement
Measuring and Evaluating Bank Perfomance
Business Organization and Management
Mathematics
Back
Business Mathematics
Back
Sets
Equations
Indices and Surds
Arithmetic and Geometric Progressions
Logarithms
Permutations and Combinations
Integral Calculus
Differential Calculus
Coordinate Geometry
Higher Algebra
Higher Trigonometry
Coordinate Geometry
Back
The Straight Line. Polar Equations and Oblique Cordinates
Differential Calculus
Finance
Back
Managerial Finance
Back
Leverage
Introduction
Capital Budgeting
Risk Return
Long Term Finance
Statistics
Back
Business Statistics
Back
Grouping and displaying data to convey meaning: Tables and Graphs
Measures of Central Tendency and Dispersion in Frequency Distributions
Probability I: Introductory Ideas
Probability Distributions
Sampling and Sampling Distributions
Simple Regression and Correlation
Estimation
Testing Hypotheses: One Sample Tests
Testing Hypotheses: Two Sample Tests
Quality and Quality Control
Chi-Square and Analysis of Variance
Contact Us
Testing Hypotheses: One Sample Tests
Home
Statistics
Business Statistics
Testing Hypotheses: One Sample Tests
Problem-12: Testing Hypotheses: One Sample Tests
Problem-12: Testing Hypotheses: One Sample Tests
Defi ne the term signifi cance level.
Contact us
for the solution
Previous article: Problem-13: Testing Hypotheses: One Sample Tests
Prev
Next article: Problem-11: Testing Hypotheses: One Sample Tests
Next
Problems: Testing Hypotheses: One Sample Tests
Problem-1: Testing Hypotheses: One Sample Tests
How many standard errors around the hypothesized value should we use to be 99.44 percent certain tha...
Read More
Problem-2: Testing Hypotheses: One Sample Tests
An automobile manufacturer claims that a particular model gets 28 miles to the gallon. The Environme...
Read More
Problem-3: Testing Hypotheses: One Sample Tests
If we reject a hypothesized value because it differs from a sample statistic by more than 1.75 stand...
Read More
Problem-4: Testing Hypotheses: One Sample Tests
How many standard errors around the hypothesized value should we use to be 98 percent certain that w...
Read More
Problem-5: Testing Hypotheses: One Sample Tests
Sports and media magnate Ned Sterner is interested in purchasing the Atlanta Stalwarts if he can be ...
Read More
Problem-6: Testing Hypotheses: One Sample Tests
Computing World has asserted that the amount of time owners of personal computers spend on their mac...
Read More
Problem-7: Testing Hypotheses: One Sample Tests
A grocery store has specially packaged oranges and has claimed a bag of oranges will yield 2.5 quart...
Read More
Problem-8: Testing Hypotheses: One Sample Tests
For the following cases, specify which probability distribution to use in a hypothesis test: (a) H ...
Read More
Problem-9: Testing Hypotheses: One Sample Tests
Martha Inman, a highway safety engineer, decides to test the load-bearing capacity of a bridge that ...
Read More
Problem-10: Testing Hypotheses: One Sample Tests
Formulate null and alternative hypotheses to test whether the mean annual snowfall in Buffalo, New Y...
Read More
Problem-11: Testing Hypotheses: One Sample Tests
Describe what the null and alternative hypotheses typically represent in the hypothesis-testing proc...
Read More
Problem-12: Testing Hypotheses: One Sample Tests
Defi ne the term signifi cance level.Contact us for the solution
Read More
Problem-13: Testing Hypotheses: One Sample Tests
Defi ne Type I and Type II errors.Contact us for the solution
Read More
Problem-14: Testing Hypotheses: One Sample Tests
In a trial, the null hypothesis is that an individual is innocent of a certain crime. Would the lega...
Read More
Problem-15: Testing Hypotheses: One Sample Tests
What is the relationship between the significance level of a test and Type I error?Contact us for th...
Read More
Problem-16: Testing Hypotheses: One Sample Tests
If our goal is to accept a null hypothesis that μ = 36.5 with 96 percent certainty when it’s true, a...
Read More
Problem-17: Testing Hypotheses: One Sample Tests
For the following cases, specify which probability distribution, to use in a hypothesis test: (a) H...
Read More
Problem-18: Testing Hypotheses: One Sample Tests
Your null hypothesis is that the battery for a heart pacemaker has an average life of 300 days, with...
Read More
Problem-19: Testing Hypotheses: One Sample Tests
Under what conditions is it appropriate to use a one-tailed test? A two-tailed test?.Contact us for ...
Read More
Problem-20: Testing Hypotheses: One Sample Tests
If you have decided that a one-tailed test is the appropriate test to use, how do you decide whether...
Read More
Problem-21: Testing Hypotheses: One Sample Tests
The statistics department installed energy-efficient lights, heaters, and air conditioners last year...
Read More
Problem-22: Testing Hypotheses: One Sample Tests
Dr. Ross Darrow believes that nicotine in cigarettes causes cigarette smokers to have higher daytime...
Read More
Problem-23: Testing Hypotheses: One Sample Tests
Hinton Press hypothesizes that the average life of its largest web press is 14,500 hours. They know ...
Read More
Problem-24: Testing Hypotheses: One Sample Tests
American Theaters knows that a certain hit movie ran an average of 84 days in each city, and the cor...
Read More
Problem-25: Testing Hypotheses: One Sample Tests
Atlas Sporting Goods has implemented a special trade promotion for its propane stove and feels that ...
Read More
Problem-26: Testing Hypotheses: One Sample Tests
From 1980 until 1985, the mean price/earnings (P/E) ratio of the approximately 1,800 stocks listed o...
Read More
Problem-27: Testing Hypotheses: One Sample Tests
Generally Electric has developed a new bulb whose design specifications call for a light out- put of...
Read More
Problem-28: Testing Hypotheses: One Sample Tests
Maxwell’s Hot Chocolate is concerned about the effect of the recent year-long coffee adver- tising c...
Read More
Problem-29: Testing Hypotheses: One Sample Tests
The average commission charged by full-service brokerage firms on a sale of common stock is $144, an...
Read More
Problem-30: Testing Hypotheses: One Sample Tests
Each day, the United States Customs Service has historically intercepted about $28 million in contra...
Read More
Problem-31: Testing Hypotheses: One Sample Tests
Before the 1973 oil embargo and subsequent increases in the price of crude oil, gasoline usage in th...
Read More
Problem-32: Testing Hypotheses: One Sample Tests
The Bay City Bigleaguers, a semiprofessional baseball team, have the player who led the league in ba...
Read More
Problem-33: Testing Hypotheses: One Sample Tests
A ketchup manufacturer is in the process of deciding whether to produce a new extra-spicy brand. The...
Read More
Problem-34: Testing Hypotheses: One Sample Tests
Steve Cutter sells Big Blade lawn mowers in his hardware store, and he is interested in comparing th...
Read More
Problem-35: Testing Hypotheses: One Sample Tests
Grant, Inc., a manufacturer of women’s dress blouses, knows that its brand is carried in 19 per- cen...
Read More
Problem-36: Testing Hypotheses: One Sample Tests
From a total of 10,200 loans made by a state employees’ credit union in the most recent 5-year perio...
Read More
Problem-37: Testing Hypotheses: One Sample Tests
Feronetics specializes in the use of gene-splicing techniques to produce new pharmaceutical compound...
Read More
Problem-38: Testing Hypotheses: One Sample Tests
Some financial theoreticians believe that the stock market’s daily prices constitute a “random walk ...
Read More
Problem-39: Testing Hypotheses: One Sample Tests
MacroSwift estimated last year that 35 percent of potential software buyers were planning to wait to...
Read More
Problem-40: Testing Hypotheses: One Sample Tests
Rick Douglas, the new manager of Food Barn, is interested in the percentage of customers who are tot...
Read More
Problem-41: Testing Hypotheses: One Sample Tests
Given a sample mean of 83, a sample standard deviation of 12.5, and a samplesize of 22, test the hyp...
Read More
Problem-42: Testing Hypotheses: One Sample Tests
Picosoft, Ltd., a supplier of operating system software for personal computers, was planning the ini...
Read More
Problem-43: Testing Hypotheses: One Sample Tests
Given a sample mean of 94.3, a sample standard deviation of 8.4, and a sample size of 6, test the hy...
Read More
Problem-44: Testing Hypotheses: One Sample Tests
If a sample of 25 observations reveals a sample mean of 52 and a sample variance of 4.2, test the hy...
Read More
Problem-45: Testing Hypotheses: One Sample Tests
Realtor Elaine Snyderman took a random sample of 12 homes in a prestigious suburb of Chicago and fou...
Read More
Problem-46: Testing Hypotheses: One Sample Tests
For a sample of 60 women taken from a population of over 5,000 enrolled in a weight- reducing progra...
Read More
Problem-47: Testing Hypotheses: One Sample Tests
The data-processing department at a large life insurance company has installed new color video displ...
Read More
Problem-48: Testing Hypotheses: One Sample Tests
As the bottom fell out of the oil market in early 1986, educators in Texas worried about how the res...
Read More
Problem-49: Testing Hypotheses: One Sample Tests
A television documentary on overeating claimed that Americans are about 10 pounds over- weight on av...
Read More
Problem-50: Testing Hypotheses: One Sample Tests
XCO, a multinational manufacturer, uses a batch process to produce widgets. Each batch of widgets ta...
Read More
Problem-51: Testing Hypotheses: One Sample Tests
For the following situations, state appropriate null and alternative hypotheses. (a) The Census Bu...
Read More
Problem-52: Testing Hypotheses: One Sample Tests
Health Electronics, Inc., a manufacturer of pacemaker batteries, specifies that’ the life of each ba...
Read More
Problem-53: Testing Hypotheses: One Sample Tests
A manufacturer of petite women’s sportswear has hypothesized that the average weight of the women bu...
Read More
Problem-54: Testing Hypotheses: One Sample Tests
Many cities have adopted High Occupancy Vehicle (HOV) lanes to speed commuter traffic to downtown bu...
Read More
Problem-55: Testing Hypotheses: One Sample Tests
In Exercise SC 8-5, what would be the power of the test for μ = 14,000,13,500, and 13,000 if the sig...
Read More
Problem-56: Testing Hypotheses: One Sample Tests
On an average day, about 5 percent of the stocks on the New York Stock Exchange set a new high for t...
Read More
Problem-57: Testing Hypotheses: One Sample Tests
In response to criticism concerning lost mail, the U.S. Postal Service initiated new procedures to a...
Read More
Problem-58: Testing Hypotheses: One Sample Tests
What is the probability that we are rejecting a true null hypothesis when we reject the hypoth- esiz...
Read More
Problem-59: Testing Hypotheses: One Sample Tests
Do significantly fewer closed end equity funds sell at a discount than at a premium ? Test at @=0.01...
Read More
Problem-60: Testing Hypotheses: One Sample Tests
A finace professor developed a theory that predicted that closed end equity funds should sell at a p...
Read More
Problem-61: Testing Hypotheses: One Sample Tests
If we wish to accept the null hypothesis 85 percent of the time when it is correct, within how many ...
Read More
Problem-62: Testing Hypotheses: One Sample Tests
Federal environmental statutes applying to a particular nuclear power plant specify that recy- cled ...
Read More
Problem-63: Testing Hypotheses: One Sample Tests
State inspectors, investigating charges that a Louisiana soft-drink bottling company underfills its ...
Read More
Problem-64: Testing Hypotheses: One Sample Tests
In 1995, the average 2-week-advance-purchase airfare between Raleigh-Durham, North Carolina, and New...
Read More
Problem-65: Testing Hypotheses: One Sample Tests
Audio Sounds runs a chain of stores selling stereo systems and components. It has been very successf...
Read More
Problem-66: Testing Hypotheses: One Sample Tests
The City of Oakley collects a 1.5 percent transfer tax on closed real estate transactions. In an ave...
Read More
Problem-67: Testing Hypotheses: One Sample Tests
In 1996, it was estimated that about 72 percent of all U.S. households were cable TV sub- scribers. ...
Read More
Problem-68: Testing Hypotheses: One Sample Tests
A company, recently criticized for not paying women as much as men working in the same positions, cl...
Read More
Problem-69: Testing Hypotheses: One Sample Tests
Drive-a-Lemon rents cars that are mechanically sound, but older than those rented by the large natio...
Read More
Problem-70: Testing Hypotheses: One Sample Tests
Assuming that the population is approximately normally distributed, is it reasonable to conclude, at...
Read More
Problem-71: Testing Hypotheses: One Sample Tests
In Exercise 8-26, what would be the power of the test for μ = $41.95, $42.95, and $43.95 if the sign...
Read More
Problem-72: Testing Hypotheses: One Sample Tests
The median number of children in U>S. households is 2. At a 10 percent significance level.Contact us...
Read More
Problem-73: Testing Hypotheses: One Sample Tests
Approximately 65 percent of all adults in the United States are3 married is the proportion of marrie...
Read More
Problem-74: Testing Hypotheses: One Sample Tests
Refer to Exercise 8-26. Compute the power of the test for μ = $41.95, $42.95, and $43.95.Contact us ...
Read More
Problem-75: Testing Hypotheses: One Sample Tests
A personnel manager believed that 18 percent of the company’s employees work overtime every week. If...
Read More
Problem-76: Testing Hypotheses: One Sample Tests
Refer to Exercise SC 8-5. Compute the power of the test for μ = 14,000, 13,500, and 13,000.Contact u...
Read More
Problem-77: Testing Hypotheses: One Sample Tests
A stockbroker claims that she can predict with 85 percent accuracy whether a stock’s market value wi...
Read More
Problem-78: Testing Hypotheses: One Sample Tests
A manufacturer of a vitamin supplement for newborns inserts a coupon for a free sample of its produc...
Read More
Most Reading Solutions
Problem-12: Managerial Accounting
Lopez Corporation incurred the following costs while manufacturing its product. Work in process i...
Read More
Problem 5-: Incremental Analysis and Capital Budgeting
U3 Company is considering three long-term capital investment proposals. Each investment has a useful...
Read More
Problem-35: Measures of Central Tendency and Dispersion in Frequency Distributions
For the following frequency distributions,
Read More
Problem-54: Testing Hypotheses: Two Sample Tests
Fifty-eight of 2,000 randomly sampled corporations had their 1995 federal income tax returns audited...
Read More
Combination: Problem 10
The staff of a bank consists of the manager, the deputy manager and 10 other officers. A committee o...
Read More
Prove that the triangle with vertices at the points (0, 3), (-2, 1) and (-1, 4) are right angled.
Read More
Problem-37: Grouping and Displaying data to convey meaning
Before constructing a dam on the Colorado River, the U.S. Army Corps of Engineers performed a series...
Read More
Problem-17: Process Costing
Overton Company has gathered the following information. Instructions Compute equivalent units of...
Read More
Problem-40: Chi-Square and Analysis of Variance
The standard deviation of a distribution is hypothesized to be 50. If an observed sample of 30 yield...
Read More
Without using log tables, Find x if ½log₁₀ (11+4√7) = log₁₀ (2+X)
Read More
Problem-57: Probability I: Introductory Ideas
The physical therapist from Exercise 4-48 is interested in studying the relationship between foot in...
Read More
Problem-7: Testing Hypotheses: One Sample Tests
A grocery store has specially packaged oranges and has claimed a bag of oranges will yield 2.5 quart...
Read More
Problem-31: Grouping and Displaying data to convey meaning
Here is a frequency distribution of the weight of 150 people who used a ski lift a certain day. Cons...
Read More
Problem-17: Statement of Cash Flows
Rojas Corporation's comparative balance sheets are presented below. Rojas CorporationComparative Ba...
Read More
Problem-09: Corporations: Organization and Capital Stock Transactions
Osage Corporation issued 2,000 shares of stock. Instruction The stock had a par value of $5 per sh...
Read More
(a) Find the compound interest on $1000 for 4 years at 5% per annum. (b) What will be the simple interest in the above case?
Read More
Problem-48: Probability I: Introductory Ideas
The southeast regional manager of General Express, a parcel-delivery firm, is worried about the like...
Read More
Problem-30: Measures of Central Tendency and Dispersion in Frequency Distributions
A sociologist has been studying the yearly changes in the number of convicts assigned to the largest...
Read More
Problem-39: Testing Hypotheses: Two Sample Tests
SAT Services advertises that 80 percent of the time, its preparatory course will increase an individ...
Read More
Problem-27: Sampling and Sampling Distributions
Miss Joanne Happ, chief executive officer of Southwestern Life & Surety Corp, wants to undertake a s...
Read More
Problem-7: Accounting Information Systems
Nex Company uses both special journals and a general journal. On June 30, after all monthly postings...
Read More
What is business Risk?
Read More
Problem 5: Permutation
How many different numbers of six digits can be formed with the digits 3, 1, 7, 0, 9, 5? How many of...
Read More
Problem-26: Testing Hypotheses: One Sample Tests
From 1980 until 1985, the mean price/earnings (P/E) ratio of the approximately 1,800 stocks listed o...
Read More
Problem 6: Permutation
How many different words can be formed with the letters of the word SUNDAY? How many of the words be...
Read More
Problem-10: Budgetary Planning
DeWitt Industries has adopted the following production budget for the first 4 months of 2020. Month...
Read More
What uses of financial accounting information are made by investors and creditors?
Read More
What sum should be paid for an annuity of $2,400 for 20 years at 4½% compound interest p.a.?
Read More
Problem-21: Testing Hypotheses: Two Sample Tests
Jeff Richardson, the receiving clerk for a chemical-products distributor, is faced with the continui...
Read More
Problem-17: Corporations: Dividends, Retained Earnings, and Income Reporting
The following information is available for Norman Corporation for the year ended December 31, 2020; ...
Read More
Problem 12: Arithmetic and Geometric Progressions
If a, b, c are in G.P., prove that a(b2+c2)=c(a2+b2)
Read More
Problem-21: Grouping and Displaying data to convey meaning
Barney Mason has been examining the amount of daily french fry waste (in pounds) for the past 6 mont...
Read More
Problem-10: Accounting for Receivables
Presented below are two independent situations On January 6, Brumbaugh Co. sells merchandise on acc...
Read More
Problem-12: Probability I: Introductory Ideas
During a recent bridge game, once the lead card had been played and the dummy's hand revealed, the d...
Read More
Problem-9: Job Order Costing
Manufacturing cost data for Orlando Company, Which uses a job order cost system, are presented below...
Read More
Problem-21: Sampling and Sampling Distributions
Tread-On-Us has desgned a new tire, and they don't know what the average amount of tread life is goi...
Read More
Find the compound interest on $25800 for 5 years if the rate of interest be 2% in the 1st year, 2½% in the second year, 3% in the 2rd year and thereafter at 4% p.a....
Read More
Problem-5: Cost Volume Profit
Viejol Corporation has collected the following information after its first year of sales. Sales were...
Read More
Problem-21: Financial Statement Analysis
For its fiscal year ending October 31, 2020, Haas Corporation reports the following partial data sho...
Read More
Problem-5: Budgetary Planning
The budget committee of Supper Company collects the following data for its san Miguel Store in prepa...
Read More
Problem-20: Corporations: Dividends, Retained Earnings, and Income Reporting
The financial information is available for Plummer Corporation. The weighted-average number of sh...
Read More
Why should banks be concerned about their level of profitability and exposure to risk?
Content will update later
Read More
Problem-1: Completing the Accounting Cycle
The trial balance columns of the worksheet for Wareen Roofing at March 31, 2019, are as follows. Wa...
Read More
Problem-12: Process Costing
In Shady Company, materials are entered at the beginning of each process. Work in process inventorie...
Read More
Problem-3: The Recording Process
Maquoketa Services was formed on May 1, 2018. The following transactions took place during the first...
Read More
Problem-51: Grouping and Displaying data to convey meaning
If the following age groups are included in the proportions indicated, how many of each age group sh...
Read More
Problem-14: Budgetary Control and Responsibility Accounting
As sales manager, Joe Batista was given following static budget report for selling expenses in the C...
Read More
Problem-78: Probability I: Introductory Ideas
Determine the probability that (a) Both engines on a small airplane fail, given that each engine fa...
Read More
Problem-77: Testing Hypotheses: One Sample Tests
A stockbroker claims that she can predict with 85 percent accuracy whether a stock’s market value wi...
Read More
Problem-52: Probability I: Introductory Ideas
Martin Coleman, credit manager for Back's knows that the company uses three methods to encourage col...
Read More
More In
Managerial Accounting
Incremental Analysis and Capital Budgeting
Measures of Central Tendency and Dispersion in Frequency Distributions
Testing Hypotheses: Two Sample Tests
Permutations and Combinations
Coordinate Geometry
Grouping and displaying data to convey meaning: Tables and Graphs
Process Costing
Chi-Square and Analysis of Variance
Logarithms
Probability I: Introductory Ideas
Testing Hypotheses: One Sample Tests
Statement of Cash Flows
Corporations: Organization and Capital Stock Transactions
Sampling and Sampling Distributions
Accounting Information Systems
Leverage
Budgetary Planning
Accounting in Action
Corporations: Dividends, Retained Earnings, and Income Reporting
Arithmetic and Geometric Progressions
Accounting for Receivables
Job Order Costing
Cost Volume Profit
Financial Statement Analysis
Measuring and Evaluating Bank Perfomance
Completing the Accounting Cycle
The Recording Process
Budgetary Control and Responsibility Accounting
© 2025 MathLearningCentre