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Posted by **arron** on Saturday, June 2, 2012 at 11:52am.

a) 107 - 135

b)93 - 149

c) 79 - 163

- algebra -
**PsyDAG**, Sunday, June 3, 2012 at 11:13amZ = (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 the Z scores. Use the proportions between Z and mean and multiply by 400.

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