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Find the value in a look up table of the Probability
of a z-score of less than 0.3293.

z=-0.95 has an area under
the curve0.3293

Find the value in a look up table of the probability of a z-score of less than 0.3293.

z=0.95 has an area under
the
curve of 0.3293

To find the area between
the two z-scores, subtract the smaller z-score value from the larger one. For
any negative z-score, change the sign of the result to negative.

Area=0.3293-(-0.3293)

Multiply-1 by each term inside
the parentheses

Area=0.3293+0.3293

Add 0.3293 to 0.3293 to get 0.6585.

Area=0.6585

Please let me know if you need any clarification. I'm always happy to answer your questions.

Oct 3rd, 2015

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