math
posted by jon .
80% of the American population likes pizza. If 8 Americans are chosen at random, find the probability that 6 of them like pizza.

n=8, p=.80, q=1.80=0.20, x=6
P(x)=nCxPxQnx
P(x)=8C6(0.80)6(0.20)2
= (28)x(0.262144)x(0.04)
=0.294
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