It is impossible to obtain a standard error less than 2 for, Ask an Expert

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A random sample is selected from a population with u = 80 and 0 = 10. To ensure 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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