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Suppose that BC financial aid allots a textbook stipend by claiming that the average textbook at BC bookstore costs$ $ 94.33. You want to test
Suppose that BC financial aid allots a textbook stipend by claiming that the average textbook at BC bookstore costs$
$
94.33. You want to test this claim. The null and alternative hypothesis in symbols would be:
based on a sample of 50 textbooks at the store, you find an average of 108.53 and a standard deviation of 17. The point estimate is 108.53 The 90 % confidence interval (use z*) is to
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