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The number of successes and the sample size for a simple random sample from a population are given below. x=8, n=40, H0: p=0.4, Ha: p

The number of successes and the sample size for a simple random sample from a population are given below.

x=8, n=40, H0: p=0.4, Ha: p<0.4, =0.01

a. Determine the sample proportion.

b. Decide whether using theone-proportion z-test is appropriate.

c. Ifappropriate, use theone-proportion z-test to perform the specified hypothesis test.

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