Mathematics, 12.11.2020 18:50 abolton04

It is known that the variance of a population equals 1,936. A random sample of 121 has been taken from the population. There is a .95 probability that the sample mean will provide a margin of error of a. 7.84 b. 31.36 c. 344.96 d. 1,936

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It is known that the variance of a population equals 1,936. A random sample of 121 has been taken fr...