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A random poll of 600 working men found that 8% had taken on a second job to help pay the bills.a) Estimate the true percentage
A random poll of
600
working men found that
8%
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
5%
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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