The manager of a paint supply store wants to determine whether the

The manager of a paint supply store wants to determine whether the

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Question 9.15 The manager of a paint supply store wants to determinewhether the mean amount of paint contained in I-galloncans purchased from a nationally known manufacturer isactually 1gallon. You know from the manufacturer’s specificationsthat the standard deviation of the amount of paint is0.02 gallon. YIilU select a random sample of 50 cans, and themean amount of paint per I-gallon can is 0.995 gallon.a. Is there evidence that the mean amount is different from1.0 gallon (use IX 0.0 1)7b. Compute the p-value and interpret its meaning.c. Construct a 99% confidence interval estimate of the populationmean amount of paint.d. Compare the results of (a) and (c). What conclusions doyou reach?

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