Question: On StatKey, find endpoints on a N(0,1) density if it is known that the area to the left of the first endpoint is about 0.10

On StatKey, find endpoints on a N(0,1) density if it is known that the area to the left of the first endpoint is about 0.10 and the area to the right of the second endpoint is about 0.85.
Find the sample size needed to give a margin of error to estimate a proportion within 14% with 95% confidence. (Assume no prior knowledge about the population proportion p.) Round your answer up to the nearest integer. Sample size =
1037
601
17
13

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