Determine the expected number of republicans who will win, Ask an Expert

Statistics

Long-term history has shown that 65% 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.

a) Find P(r) for r = 0, 1, 2, 3, 4, and 5.

b) Make a histogram for the r probability distribution.

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

d) What is the standard deviation of r?

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Statistics and Probability, Statistics

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