How many kleenexe go in automobile glove compartment boxes

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Assume you found out from your sample of 85 people, on average about 57 Kleenexes are used throughout the duration of a cold, with a population standard deviation of 15. Use the 95% confidence interval.

Approximately how many Kleenexes should go in the automobile glove compartment boxes?

Reference no: EM13131171

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