Mathematics, 16.12.2020 16:20 dayanara72
Scores on a recent ACT test yielded mean 20.9 and standard deviation 4.7. find the probability that a random sample of 32 test scores had a mean below 20.
a) .1914
b) .5753
c) .8599
d) .4247
e) .1401
Answers: 1
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Scores on a recent ACT test yielded mean 20.9 and standard deviation 4.7. find the probability that...
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