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Suppose a measurement on a population is assumed to be distributed N(µ2) where µ ϵ R 1 is…

Suppose a measurement on a population is assumed to be distributed N(µ2) where µ ϵ R1 is unknown and that the size of the population is very large. A researcher wants to determine a 0.95-confidence interval for E that is no longer than 1. What is the minimum sample size that will guarantee this?