Question

Suppose a null hypothesis is that the population mean is greater than or equal to 100. Suppose further that a random sample of 48 items is taken and the population standard deviation is 14. For each of the following α values, compute the probability of committing a Type II error if the population mean actually is 99.
a. α = .10
b. α = .05
c. α = .01
d. Based on the answers to parts (a), (b), and (c), what happens to the value of β as α gets smaller?



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  • CreatedFebruary 19, 2015
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