A personal computer system is composed of the processing unit,graphics board,and keyboard with reliabilities of 0.976,0.785,and 0.893,respectively.This is a series system and even if one component fails,the computer will not function correctly.The reliability of this system is:
A)0.684
B)0.953
C)2.654
D)0.857

Question

Quizplus · Accepted Answer

The overall reliability of a series system is given by the product of the individual reliabilities of its components. Therefore, the reliability of this personal computer system is:
R = 0.976 * 0.785 * 0.893 = 0.684
Therefore, the best choice is A) 0.684.

A Personal Computer System Is Composed of the Processing Unit,graphics