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5 February, 21:19

Assume that each of the n trials is independent and that pis

given trial. Use the binomial probability formula to find P (x).

n=15, x = 3, p=0.5

P (x) =

(Round to three decimal places as needed.)

+5
Answers (1)
  1. 5 February, 21:23
    0
    P (x) = n! / (n-x) ! x! = 15!/12!*3!

    P (x) = 15*14*13*12!/12!*3*2*1=455
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