Question: Need help on a-c for all the blanks For a binomial probability distribution, n = 140 and p = 0.60. Let x be the number

Need help on a-c for all the blanks

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 = and 02 = b. Find to 4 decimal places P(x s 69) using the normal approximation. P(x 5 69) = i c. Find to 4 decimal places P(66 s x s 74) using the normal approximation. P(66 s x 5 74) =

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