Mathematics, 17.12.2019 01:31 carolelai08
An iq test is designed so that the mean is 100 and the standard deviation is 12 for the population of normal adults. find the sample size necessary to estimate the mean iq score of statistics students such that it can be said with 95% confidence that the sample mean is within 2 iq points of the true mean. assume that sigma=12 and determine the required sample size.
we're not supposed to use graphic calculators and while i got how to find z, i'm having trouble figuring out how i'm supposed to find e without n?
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