A state wildlife service wants to estimate the mean number of days that each licensed hunter actually hunts during a given season. They plan to construct a 95% confidence interval for the mean using ± za/2SE where SE denotes the standard error of , and they want the margin of error to equal 2 days. If data collected in earlier surveys have shown o to be approximately equal to 10 days, how many hunters must be included in the survey?

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A state wildlife service wants to estimate the mean number of days that each licensed hunter actually hunts
during a given season. They plan to construct a 95% confidence interval for the mean using i ±za/2SE,
where SE denotes the standard error of , and they want the margin of error to equal 2 days. If data collected
in earlier surveys have shown o to be approximately equal to 10 days, how many hunters must be included in
the survey?
Transcribed Image Text:A state wildlife service wants to estimate the mean number of days that each licensed hunter actually hunts during a given season. They plan to construct a 95% confidence interval for the mean using i ±za/2SE, where SE denotes the standard error of , and they want the margin of error to equal 2 days. If data collected in earlier surveys have shown o to be approximately equal to 10 days, how many hunters must be included in the survey?
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