Question

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.25 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.24 inches?
A. 79.13%
B. 82.46%
C. 84.13%
D. 84.46%

answer:C

May 4, 2016

correct,
I use
http://davidmlane.com/normal.html

May 5, 2016

correct

May 5, 2016

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