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For a binomial probability distribution, n = 130 and p = 0.60. Let x be the...

For a binomial probability distribution, n = 130 and p = 0.60. Let x be the number of successes in 130 trials. a. Find the mean and standard deviation of this binomial distribution.

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

b. Find to 4 decimal places P(x ≤ 75) using the normal approximation. P(x ≤ 75) =

c. Find to 4 decimal places P(67 ≤ x ≤ 72) using the normal approximation. P(67 ≤ x ≤ 72) =

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orchestra answered 2 years ago
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