Solve the problem.

A hypothesis test is performed to test the claim that a population proportion is greater than 0.7. Find the probability of a type II error, β, given that the true value of the population proportion is 0.72. The sample size is 50 and the significance level is 0.05.

Choose one answer.

a. 0.4129

b. 0.9706

c. 0.5754

d. 0.7123

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