[Steps Shown] In a certain binominal distribution, π = 0.20 and n = 30. In using the normal approximation, What are the mean and standard deviation of the

Question: In a certain binominal distribution, π = 0.20 and n = 30. In using the normal approximation,

What are the mean and standard deviation of the corresponding normal distribution?
If x = the number of "successes" among the 30 observations, determine the following: P(x = 5), P(4≤ x ≤ 7), P( 1 ≤ x ≤ 5), P (x ≥ 7).

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[Steps Shown] In a certain binominal distribution, π = 0.20 and n = 30. In using the normal approximation, What are the mean and standard deviation of the

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