The Diameters of Ball Bearings Produced in a Manufacturing Process

Multiple Choice

The diameters of ball bearings produced in a manufacturing process can be described using a uniform distribution over the interval 8.5 to 10.5 millimeters. Any ball bearing with a diameter of
Over 10.25 millimeters or under 8.75 millimeters is considered defective. What is the probability
That a randomly selected ball bearing is defective?

A) .50
B) 0
C) .75
D) .25