A machine is produced by a sequence of operations.Typically,one defective machine is produced per 1000 parts.What is the probability of two nondefective machines being produced?
A)0.000999
B)0.001
C)0.002
D)0.998
E)0.500

Question

Quizplus · Accepted Answer

The probability of producing a nondefective machine is 0.999 (since 1 - 0.001 = 0.999). The probability of producing two nondefective machines is 0.999 * 0.999 = 0.998001, which rounds to 0.998.

A Machine Is Produced by a Sequence of Operations