SOLUTION: A random sample of 800 home owners in a particular city found 232 home owners who had a swimming pool in their backyard. Find a 95% confidence interval for the true percent of home
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Question 1197599: A random sample of 800 home owners in a particular city found 232 home owners who had a swimming pool in their backyard. Find a 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard. Express your results to the nearest hundredth of a percent.
Answer: to % Answer by ewatrrr(24785) (Show Source):
Hi
p(had pool) = 232/800 = .29
95% CI ⇒ z = 1.96 | 2-sided Invnorm( .95 + .05/2) = Invnorm(.975)
ME =
Plug and Play
ME =
.29 - ME < < .29 + ME
Will let You finish it Up
Wish You the Best in your Studies.