Q36.webp
D

Q36.webp

Question: 36
(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

Thông tin

Category
MAS291
Thêm bởi
DinhTai2005
Ngày thêm
Lượt xem
3,671
Lượt bình luận
13
Rating
0.00 star(s) 0 đánh giá

Share this media

Back
Bên trên Bottom