Question

the diameters of ball bearings are distributed normally. the mean diameter is 67 millimeters and the standard deviation is 3 millimeters. find the probability that the diameter of a selected bearing is greater than 63 millimeters. round your answer to four decimal places.

Answer 1

0.9082

Explanation:

z=(63-67)/3=-1.3333

using a calculator we can find the probability is 0.9082 rounded to four decimal places