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The company claims that its cereal box contains 368 grams of grain. 40 boxes have been checked and found that the sample mean (xbar) was

The company claims that its cereal box contains 368 grams of grain. 40 boxes have been checked and found that the sample mean (xbar) was 362 grams, and standard deviation sigma ()7, find the z value and p-value. Let = 0.05, test the claim that < 368. Please solve and explain in sentence simply

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