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A toothpick manufacturer claims that every one of his boxes contains exactly 500 toothpicks, on average. Suppose you took a random sample of 81 boxes

A toothpick manufacturer claims that every one of his boxes contains exactly 500 toothpicks, on average. Suppose you took a random sample of 81 boxes and found that the mean is 498 toothpicks and the standard deviation is 9 toothpicks. Test the manufacturer’s claim at the 0.1 level. Be sure to show all the steps of hypothesis testing.


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