Suppose that chemistry exam scores gre normally distributed with a mean of 24 and a standard deviation of 8. If a random sample of size 10 is slected from these scores, then the probability that the mean of this sample is less than 25 is closest to: O a. 0.65 b. 0.35 O c. None of these O d. 0.45 e. 0.55

MATLAB: An Introduction with Applications
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Suppose that chemistry
exam scores are
normally distributed
with a mean of 24 and a
standard deviation of 8.
If a random sample of
size 10 is slected from
these scores, then the
probability that the
mean of this sample is
less than 25 is closest
to:
O a. 0.65
b. 0.35
O c. None of these
O d. 0.45
e. 0.55
Transcribed Image Text:Suppose that chemistry exam scores are normally distributed with a mean of 24 and a standard deviation of 8. If a random sample of size 10 is slected from these scores, then the probability that the mean of this sample is less than 25 is closest to: O a. 0.65 b. 0.35 O c. None of these O d. 0.45 e. 0.55
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