A sporting goods store believes the average age of its customers is 37 or less. A random sample of 41 customers was​ surveyed, and the average customer age was found to be 39.5 years. Assume the standard deviation for customer age is 8.0 years. Using α=0.10​, complete parts a and b below.   Does the sample provide enough evidence to refute the age claim made by the sporting goods​ store?   Determine the null and alternative hypotheses. H0 : H1 : Test statistics = Critical Value = P value =

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