It Is Known That the Variance of a Population Equals

question 82

Multiple Choice

It is known that the variance of a population equals 1,936. A random sample of 121 has been selected from the population. There is a .95 probability that the sample mean will provide a margin of error of _____.

• A) 7.84 or less
• B) 31.36 or less
• C) 344.96 or less
• D) 1,936 or less

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Definitions:

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