A random poll of 700 working men found that 12% had taken on a second job to help pay the bills. 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 8% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data. a) Construct a 95% confidence interval for the population proportion. The 95% confidence interval is (.) (Round to three decimal places as needed.) b) What does the confidence interval say about the pundit's hypothesis? Because%i in the interval, we (Type integers or decimals. Do not round.) -C ▼strong evidence that more than % of working men had a second job.

A random poll of 700 working men found that 12% had taken on a second job to help pay the bills. 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 8% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data. a) Construct a 95% confidence interval for the population proportion. The 95% confidence interval is (.) (Round to three decimal places as needed.) b) What does the confidence interval say about the pundit's hypothesis? Because%i in the interval, we (Type integers or decimals. Do not round.) -C ▼strong evidence that more than % of working men had a second job.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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