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A bookstore owner has recently surveyed a random sample of 300 customers. She would like to...

A bookstore owner has recently surveyed a random sample of 300 customers. She would like to determine whether or not the mean age of her customers is over 35. If so, she plans to alter the interior design of her bookstore to appeal to an older crowd. If not, no interior design changes will be made. Suppose she found that the sample mean was 35.5 years and the population standard deviation was 5 years. What is the p-value associated with the test statistic?

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orchestra answered 2 years ago
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