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?
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
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