Question: 7.50 a. Is the normal approximation to the sampling distribution of p appropriate when n = 400 and p = 0.8? b. Use the results

7.50

a. Is the normal approximation to the sampling distribution of p appropriate when n = 400 and p = 0.8?

b. Use the results of part a to find the probability that p is greater than 0.83.

c. Use the results of part a to find the probability that plies between 0.76 and 0.84.

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