Question
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
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.
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Mathematical Applications For The Management, Life And Social Sciences
Authors: Ronald J. Harshbarger, James J. Reynolds
12th Edition
978-1337625340
