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4.1. The management claims that an average box of cereal contains 367 grams of cereal. A random sample of 25 boxes showed a mean of

4.1. The management claims that an average box of cereal contains 367 grams of cereal. A random sample of 25 boxes showed a mean of 372 grams. The management has estimated the standard deviation to be 15 grams.Test the management's claim at the 95% significance level(10)

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