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 closest to _______.
A)0.9544
B)0.6826
C)0.8785
D)0.5899
E)0.8185

Question

Quizplus · Accepted Answer

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 closest to _______.
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