frank26150 frank26150

10-02-2020
Mathematics

contestada

If a fair die is rolled 3 times, what is the probability, to the nearest thousandth, of
getting exactly 1 five?

Respuesta :

MathPhys MathPhys

10-02-2020

Answer:

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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