In June 2010, a random poll of 800 working men found that 9% had taken on a

Question:

In June 2010, a random poll of 800 working men found that 9% had taken on a second job to help pay the bills. (www.careerbuilder.com)

a) Estimate the true percentage of men that are taking on second jobs by constructing a 95% confidence interval.

b) A pundit on a TV news show claimed that only 6% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

See More Books

Question Posted: May 15, 2015 03:44 AM

See More Questions

In constructing a confidence interval estimate of a population mean or testing a hypothesis about a population mean, why is the t distribution used so much more often than the normal distribution?
Use the given data to test the claim that the sample is from a population with a mean greater than 14 hours. The values are the numbers of credit hours taken in the current semester by full-time...
Use the given data to test the claim that the sample is from a population with a median greater than 14 hours. Use the sign test with a 0.05 significance level. The values are the numbers of credit...
Mark Cotteleer owns a company that manufactures sailboats, Actual demand for Marks sailboats during each season in 2006 through 2009 was as follows: Mark has forecasted that annual demand for his...
In Mario Puzos The Godfather, Michael Corleone (played by Al Pacino in the movie version of the book) would like to meet with Virgil The Turk Sollozzo. Michael was concerned that if he meets with...
Write the phrase in mathematical terms. 5, increased by 3 times x
Why are information security and privacy important considerations in the design, development, and maintenance of an HRIS?
Merck is considering launching a new drug called Laffolin. Merck has identied two possible demand scenarios: DEMAND LEVEL PROBABILITY 1 million patients.......30% 2 million patients........70% Merck...
Work in F Manufacturing Overhead During January, its first month of operations, Sheffield Company accumulated the following manufacturing costs: raw materials purchased $5,200 on account, factory...
Could it be that smoking actually increases survival rates among women? The following data represent the 20-year survival status and smoking status of 1314 English women who participated in a cohort...
Which of the following are true? If false, explain briefly. a) If the null hypothesis is true, youll get a high P-value. b) If the null hypothesis is true, a P-value of 0.01 will occur about 1% of...
An enthusiastic junior executive has run a test of his new marketing program. He reports that it resulted in a significant increase in sales. A footnote on his report explains that he used an alpha...
Match the diagnostic analytics questions to the following diagnostic analytics techniques. Z-score T-Test Benfords law Drill-down Fuzzy matching Sequence check Diagnostic Analytics Questions 1....
What is the Eurocurrency market and what is its function?
Explain briefly how healthcare providers typically obtain secured short-term financing.
a. What is the difference between free trade credit and costly trade credit? b. Should businesses use all the free trade credit that they can get? Explain your answer. c. Should businesses use all...
What is the difference between spot and forward currency markets?
Describe the three major sources of short-term financing.
True or False. The net liability of underwriters, under complete underwriting, can be ascertained by deducting total applications received from shares or debentures offered.
Calculate the change in entropy when 100 kJ of energy is transferred reversibly and isothermally as heat to a large block of copper at (i) 0 C, (ii) 50 C.
Consider the following hypotheses: H0: p 0.38 HA: p < 0.38 Compute the p-value based on the following sample information. a. x = 22; n = 74 b. x = 110; n = 300 c. = 0.34; n = 50 d. = 0.34; n = 400
Which sample information in the preceding question enables us to reject the null hypothesis at = 0.01 and at = 0.10?
Consider the following hypotheses: H0: p = 0.32 HA: p 0.32 Compute the p-value based on the following sample information a. x = 20; n = 66 b. x = 100; n = 264 c. = 0.40; n = 40 d. = 0.38; n = 180
Jorgansen Lighting, Incorporated, manufactures heavy-duty street lighting systems for municipalities. The company uses variable costing for internal management reports and absorption costing for...
Assume that the stock of South Gate Corporations sells for R108 and is expected to increase by a factor of 1.25 or decline by a factor of 0.83 in 10 months. As a portfolio analyst, you find a call...
Use the below information to calculate the profit or loss of a short call butterfly spread if the spot price of the underlying asset at maturity is R89.45. June 70 Call costs R1.18 June 70 Put costs...

In June 2010, a random poll of 800 working men found that 9% had taken on a

Question:

Step by Step Answer:

a SRS poll so responses should be independent proportion of ...View the full answer

Business Statistics

Students also viewed these Statistics questions