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Asked by Lillie

What are the steps to solve P(x>k)=.025 when the mean is 500, standard deviation is 100
14 years ago

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Answered by PsyDAG
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score related to the proportion. Then insert values in equation above to find the score.
14 years ago

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