Probability and Statistics

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In a population where
85% prefer Candidate A, an organization conducts a poll of 19 voters. Find the probability that 17 of the 19 voters will prefer Candidate A.

  • Probability and Statistics -

    another binomial

    p (prefer A) = .85 = (P)

    p (not prefer A) = .15 = (N)

    (P + N)^19 = 19C17 P^17 N^2
    ... = 171 * .85^17 * .15^2

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