Mathematics, 28.11.2019 02:31 dj4354
Sat scores of students at an ivy league college are distributed with a standard deviation of 250 points. two statistics students, raina and luke, want to estimate the average sat score of students at this college as part of a class project. they want their margin of error to be no more than 25 points.(a) raina wants to use a 90% condence interval. how large a sample should she collect? raina should sample at least people.
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