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April 2, 2015

April 2, 2015

Posted by **Celina** on Wednesday, January 19, 2011 at 10:03pm.

a) what is the probability that a package selected at random will fall within the acceptable quality control range?

b) in a production run of 50,000 packages of nuts, how many can be expected to be rejected?

- Math grd 12 -
**PsyDAG**, Thursday, January 20, 2011 at 5:13pma. Z = (score-mean)/SD

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

b. Sum the two proportions and multiply by 50,000.

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