7.41 In a certain binomial distribution, 7 = 0.25 and n = 40. 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 40 observations, determine the following: P(x = 8), P(12 < x < 16), P(10 < x s 12), P(x ² 14). %3D %3D

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0.25 and
7.41 In a certain binomial distribution, T =
n = 40. 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 40
observations, determine the following: P(x = 8),
P(12 < x < 16), P(10 < x < 12), P(x ² 14).
לי
%3D
%3D
Transcribed Image Text:0.25 and 7.41 In a certain binomial distribution, T = n = 40. 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 40 observations, determine the following: P(x = 8), P(12 < x < 16), P(10 < x < 12), P(x ² 14). לי %3D %3D
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