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USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is
USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners up for parole. Let X= number of prisoners out of five on parole who become repeat offenders. X 0 1 2 3 4 5 P(X) 0.223 0.387 0.23 0.135 0.024 0.001 A). Compute , the expected number of repeat offenders out of five. (Round your answer to three decimal places.) B). Compute , the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.)
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