Hi,

Using TI: The syntax is binompdf(n, p, x-value).

P(x = 6) = binompdf(16,.20,6)

0r 

P (x = 6)=   

Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
 We are going to use the General Binomial Probability formula

P(k out of n) = n!/(k!(n-k)!) * p^k * (1-p)^(n-k)

p = .20

k = 6

n = 16

P(6 out of 16) = 16! /(6!(16-6)!) * .2^6 * (1-.2)^(16-6)

P(6 out of 16) =  8008 * 6.4e-5 * 0.1073741824

P(6 out of 16) = 0.0550 = 0.06

 

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