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round answer to 3 decimal places

Algebra
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The diameter of an electric cable is normally distributed, with a mean of 0.7 inch and a standard deviation of 0.03 inch. What is the probability that the diameter will exceed 0.73 inch? 

Mar 20th, 2015

Use the normal distribution curve.

0.73 - 0.7 = 0.03   which is one standard deviation.

According to the normal distribution curve, more than one standard deviation is

15.9% probability or 0.159

Mar 20th, 2015

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Mar 20th, 2015
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Mar 20th, 2015
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