Hi,

n=50, p=0.25, x=25

 

P(25) = 

126410606437752

P(25) =  = .0000845

Note: We can use the normal distribution as a close approximation to the

 binomial distribution whenever n*p ≥ 5 and nq ≥ 5.

.25*50 = 12.5  and .75*50 = 37.5

Yes, We can use the normal distribution as a close approximation to the

 binomial distribution



 

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