(Choose 1 answer)
A population of Australian Koala bears has a mean height of 20 inches and a standard deviation of 4 inches.You plan to choose a sample of 64 bears at random. What is the probability of a sample mean between 20 and 21.
Let P(Z < 0) = 0.5, P(Z < 0.6) = 0.5228 and P(Z < 2) = 0.9772.
A. 0.5
B. 0.4772
C. 0.9772
D. 0.5228
E. None of the other choices is correct
Exit 32
