SOLUTION: A recent study suggests that 70% of all elegible voters will vote in the next presidential election. Suppose 20 elegible voters were rondomly selected from the population of all el

Question 962403: A recent study suggests that 70% of all elegible voters will vote in the next presidential election. Suppose 20 elegible voters were rondomly selected from the population of all elegible voters. How manyof the sample voters do we expect to voter in the next presidential election?
Answer by jjthomson83(4) (Show Source): You can put this solution on YOUR website!
This is a question on binomial probability
Using nCxP^(n-x)q^x
n=20, P=70%=0.7, q=30%=0.3, x=0, C is combination
20C0(0.7)^20(0.3)^0
=0.000798
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