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For a binomial probability distribution, n = 140 and p = 0.60. Let x be the number of successes in 140 trials. a. Find the

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For a binomial probability distribution, n = 140 and p = 0.60. Let x be the number of successes in 140 trials. a. Find the mean and standard deviation of this binomial distribution. H: n 0.84 anda = a 0.8350 b. Find to 4 decimal places P(x 5 69) using the normal approximation. P(x 5 69) = c. Find to 4 decimal places P(67 s x s 73) using the normal approximation. P(67 5x 5 73) =

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