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# Standard Normal Distribution

##### Rating:
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Author: Bob Kibler
##### Description:
• Be able to find the standardized score of value given the mean and standard deviation
• Find the area under a normal curve given the standardized value
• Find the standardized value given the area under a normal curve
(more)

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Tutorial

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## "Do I get it" - Solutions

1) All values above the mean have a positive z-score

2)  (87-82) / 5 = +1.00

3) x = (-0.8)(2.5) + 67.5 =

65.5 inches

Use NORMALCDF for #4 and #5

4) Lower = -1.24     Upper = 0.98     Area under the curve = 0.729

5) Lower = -0.73     Upper = 1E99 (infinity)     Area under the curve = 0.767