SOLUTION: According to recent surveys, 84% of households have a personal computers. If a random sample of 302 households is selected, what is the probability that 260 or more of the househol

Question 846029: According to recent surveys, 84% of households have a personal computers. If a random sample of 302 households is selected, what is the probability that 260 or more of the households in the sample will have a personal computer? Again, I don't understand what formula to use. I know 302=n .84=p x=260 q=.16
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

The syntax is 1 � binomcdf(n, p, largest x-value).

P(x ≥ 260) = 1 - binomcdf(302, .84,).

                 = 1 - .8188 = .1812   0r  18.12% 

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