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21 January, 05:14

If a fair die is rolled 3 times, what is the probability, to the nearest thousandth, of

getting exactly 1 five?

+1
Answers (1)
  1. 21 January, 05:56
    0
    0.347

    Step-by-step explanation:

    n = 3

    p = 1/6

    r = 1

    Use binomial probability:

    P = nCr pʳ qⁿ⁻ʳ

    P = ₃C₁ (1/6) ¹ (5/6) ³⁻¹

    P = 0.347

    Or, using a calculator:

    P = binompdf (n, p, r)

    P = binompdf (3, 1/6, 1)

    P = 0.347
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