SOLUTION: To have a z score of 2 on the test, what score
do you need if the mean must be 66% and
standard deviation to be 12%
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do you need if the mean must be 66% and
standard deviation to be 12%
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Question 1037710: To have a z score of 2 on the test, what score
do you need if the mean must be 66% and
standard deviation to be 12% Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! To have a z score of 2 on the test, what score
do you need if the mean must be 66% and
standard deviation to be 12%
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2 = (x-0.66)/0.12
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x = 2*0.12 + 0.66
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x = 0.24+0.66
x = 0.9 = 90%
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Cheers,
Stan H.
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