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September 20, 2014

September 20, 2014

Posted by **jonathan** on Friday, November 30, 2012 at 4:53pm.

a. Find the probability that a student uses a lab computer less than 4 hours per week.

b. Find the probability that a student uses a lab computer between 5 and 7 hours per week.

- Statistics -
**PsyDAG**, Saturday, December 1, 2012 at 1:48pmZ = (score-mean)/SD

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

- Statistics -
**james**, Monday, August 26, 2013 at 7:44pm2.376

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