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We are testing the hypothesis H : p ?

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We are testing the hypothesis
H : p ? .75
H : p ? .75
for the # the proportion of people who find an enrollment website "easy to use."
The test will be based on a simple random sample of size 400 and at a 1% level of significance.
Recall that the sample proportion vary with mean p and standard deviation
You shall reject the null hypothesis if The P_value of the test is less than 0.01
a) Find the probability of a type II error if in fact p=0.72
b) Find the probability of a type II error if in fact p=0.65
c) Find the probability of a type II error if in fact p=0.60