Suppose a population has a mean of 870 and a variance of 1,600.If a random sample of size 64 is drawn from the population,the probability that the sample mean is between 860 and 875 is _______.
A) 0.9544
B) 0.6826
C) 0.8785
D) 0.5899
E) 0.8185

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The Answer of Suppose a population has a mean of 870 and a variance of 1,600.If a random sample of size 64 is drawn from the population,the probability that the sample mean is between 860 and 875 is _______.
A) 0.9544
B) 0.6826
C) 0.8785
D) 0.5899
E) 0.8185

Suppose a Population Has a Mean of 870 and a Variance