Answer (Choose 1 answer)
Let Z0041.75; Z008 = 1.41
A B C D E A population is normal with a variance of 64. Suppose you wish to estimate the population mean. Find the sample size needed to assure with 92% percent confidence that the sample mean will not differ from the population mean by more than 2 units.
A. None of the other choices is correct
B. 39
C. 49
D. 46
E. 32
Exit 10
