Question: For a binomial probability distribution n 80 and p

For a binomial probability distribution, n = 80 and p = .50. Let x be the number of successes in 80 trials.
a. Find the mean and standard deviation of this binomial distribution.
b. Find P(x > 42) using the normal approximation.
c. Find P(41 < x < 48) using the normal approximation.

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  • CreatedAugust 25, 2015
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