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  3. a simple random sample of 16 bicycle helmets had a

A simple random sample of 16 bicycle helmets had a mean price of x-$38.12. It...

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A simple random sample of 16 bicycle helmets had a mean price of x-$38.12. It is reasonable to assume that the population of helmet prices is approximatelynormal with population standard deviation a-$7.79. Is it appropriate to use the methods of this section to construct a confidence interval for the mean helmetprice?

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