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In a population of elderly men, 40 percent have been confirmed as hypertensive (p = 0.40). Assuming the normal approximation can be applied and p=0.40

In a population of elderly men, 40 percent have been confirmed as hypertensive (p = 0.40).

Assuming the normal approximation can be applied and p=0.40 for a sample size of 180 (trials),what is the Z-statistic for x=79?

Recall that the expected value u =npandthestandard deviation =

Answer in the following format 2 or more decimals (1.99)

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