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April 17, 2014

April 17, 2014

Posted by **Anonymous** on Tuesday, November 8, 2011 at 1:09am.

9.6. If 144 people are randomly selected, find the probability that their mean blood pressure will be less than 125

- statistics -
**PsyDAG**, Tuesday, November 8, 2011 at 10:18amZ = (mean1 - mean2)/SEm

SEm = SD/√n

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

- statistics -
**Anonymous**, Monday, March 19, 2012 at 10:58pm0.9938

- statistics -
**Anonymous**, Monday, March 19, 2012 at 10:58pm0.9938

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