SOLUTION: A random sample of 2116 people were surveyed, and 1626 responded saying that they did not like surveys. If the population is normally distributed, what is the 99% confidence interv

Question 1140257: A random sample of 2116 people were surveyed, and 1626 responded saying that they did not like surveys. If the population is normally distributed, what is the 99% confidence interval for the population proportion of people who don't like surveys
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
p hat=0.7684
half-interval for 99% CI is z (0.995)* sqrt(phat*(1-phat)/n)
=2.576 ( z 0.995)* sqrt (.7684*.2316/2116)=0.0236
The 99% CI is (0.7448, 7920)
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