# SOLUTION: Suppose I want to estimate the proportion of Americans who watch TV. So I collected a random sample of 100 Americans and proportion for my sample was 0.42. Find the 95% CI.

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 Click here to see ALL problems on Probability-and-statistics Question 634685: Suppose I want to estimate the proportion of Americans who watch TV. So I collected a random sample of 100 Americans and proportion for my sample was 0.42. Find the 95% CI.Answer by stanbon(57323)   (Show Source): You can put this solution on YOUR website!So I collected a random sample of 100 Americans and proportion for my sample was 0.42. Find the 95% CI. --- p-hat = 0.42 --------------------------------- E = 1.96*sqrt(0.42*0.58/100) = 0.0967 ====== 95%CI: 0.42-0.0967 < p < 0.42+0.0967 ===================================== Cheers, Stan H.