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For a binomial probability distribution n 120 and p

For a binomial probability distribution, n = 120 and p = .60. Let x be the number of successes in 120 trials.

a. Find the mean and standard deviation of this binomial distribution.

b. Find P(x < 69) using the normal approximation.

c. Find P(67 < x < 73) using the normal approximation.

a. Find the mean and standard deviation of this binomial distribution.

b. Find P(x < 69) using the normal approximation.

c. Find P(67 < x < 73) using the normal approximation.

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