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Probability using binomial distribution.

Long-term history has shown that 65 percent of all elected offices in a rural county have been won by Republican candidates. This year there are 5 offices up for public election in the county Let r be the number of public offices won by Republicans. n = 5 r = .65

a) create a histogram for the r probability distribution.

b) What is the expected number of Republicans who will win office in the coming election?

c) What is the standard deviation of r?

Statistics and Probability, Statistics

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