SOLUTION: Dorothy leads wilderness expeditions. she has found that 1/3 of those who attend a promotional meeting will sign up for an expedition at that meeting. If 10 people attend the meeti

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Question 856560: Dorothy leads wilderness expeditions. she has found that 1/3 of those who attend a promotional meeting will sign up for an expedition at that meeting. If 10 people attend the meeting, what is the probability that 5 of them will sign up?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

  p = 1/3 , n =  10

P(x=5) = binompdf(n, p, x-value)= binompdf(10, 1/3, 5) = .1365



0r Using  

 

  

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