8-13. In a sample of n = 100 observations the number of successes was found to be...

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8-13. In a sample of n = 100 observations the number of successes was found to be X = 35. If the population proportion is p = 0.40, find:

(a) P(ˆP ≤ 0.38)

(b) P(ˆP ≥ 0.50)

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