In a certain binomial distribution, = 0.20 and n = 30. In using the normal approximation,
Question:
In a certain binomial distribution, π = 0.20 and n = 30. In using the normal approximation,
a. What are the mean and standard deviation of the corresponding normal distribution?
b. 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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a b Px 5 P45 x 55 after continuity correction ...View the full answer
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