According to a Gallup Poll, the probablity that a Republican approves of the death penalty is 64%. Answer the following a round each answer to three decimal places. a. If 13 republicans are selected, find the probability that exactly 9 approve of the death penalty. b. If 13 republicans are selected, find the probability that at least 7 approve of the death penalty. c. If 490 Republicans are randomly selected, find the mean number that approve of the death penalty d. Find the standard deviation of the binomial distribution created in part C.

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