☑Kizspy.me
(Choose 1 answer)
☐ A
A. 0.5
☐ C
B. None of the other choices is correct
☐ D
C. 0.4772
☐ E
D. 0.5228
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.
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E. 0.9772
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