A job consists of a series of three tasks. Task 1 is performed correctly 98% of the time, task 2 is performed correctly 99% of the time, and task 3 is performed correctly 97% of the time. The reliability of this job is
A) 91.27%
B) 94.11%
C) 97.00%
D) 98.00%
E) 99.00%

Question

Quizplus · Accepted Answer

The reliability of the job can be calculated by multiplying the individual probabilities of each task being performed correctly: 0.98 x 0.99 x 0.97 = 0.9411 or 94.11%. Therefore, the best choice is B.

A Job Consists of a Series of Three Tasks