2. Suppose x has a mound-shaped distribution with 9 = 1.2. Find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E=0.5.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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2. Suppose x has a mound-shaped distribution with 9 = 1.2. Find the minimal sample size required
so that for a 90% confidence interval, the maximal margin of error is E=0.5.
Transcribed Image Text:2. Suppose x has a mound-shaped distribution with 9 = 1.2. Find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E=0.5.
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