Mathematics, 26.11.2019 04:31, ramsey5106

For a sample of 109 transformers built for heavy industry, the mean and standard deviation of the number of sags per weeks were 360 and 20, respectively; also, the mean and standard deviation of the number of swells per week were 161 and 17, respectively. consider a transformer that has 390 sags and 103 swells in a week. complete parts a and b below.

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For a sample of 109 transformers built for heavy industry, the mean and standard deviation of the nu...