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Find the sample size for the given problem.

A random sample is selected from a population with u = 80 and 0 = 10. To make sure a standard error of 2 points or less, the sample size should be at least ________ = 5
B.n = 10
C.n = 25
D.It is impossible to obtain a standard error less than 2 for any sized sample.

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Category:- Statistics and Probability
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