1) Of 140 adults selected randomly from one town, 35 of them smoke. Construct a 99%...

1) Of 140 adults selected randomly from one town, 35 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.

In one town, we are 99% confident that the true percentage of adults who smoke is between ______% and _______%

2) A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confidence interval for the true proportion of all voters in the state who favor approval.

We are 95%confident that the true proportion of those who favor approval is between _____ and ________

Expert Solution

Solution:-

1) we are 99% confident that the true percentage of adults who smoke is between 15.6% and 34.4%

2) We are 95%confident that the true proportion of those who favor approval is between 0.438 and 0.505

orchestra answered 1 year ago

Of 250 adults selected randomly from one town, 72 of them smoke. Construct a 95% confidence...

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