Mathematics, 27.11.2019 23:31, imstoopid69

Acertain type of stainless steel powder is supposed to have a mean particle diameter of u = 15 um. a random sample of87 particles had a mean diameter of 15.2 um, with a standard deviation of 1.8 um. atest is made of h0: u = 15 versus h1: uz 15.a. find the p-value. b. do you believe it is plausible that the mean diameter is 15 um? , or are you convinced that it differs from 15 um? explainyour reasoning.

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Acertain type of stainless steel powder is supposed to have a mean particle diameter of u = 15 um. a...