Kizspy | Question: 37
(Choose 1 answer)
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. 49
B. 32
C. 46
D. 39
E. None of the other choices is correct
Let Zo.04 = 1.75; Zo.08= 1.41
