Answer:
E(x) = 0.8
Step-by-step explanation:
Given:
Selected chips = 20
Defective rate = 4%
Number of fault chips computer = x
Find:
Number of fault chips computer
Computation:
Number of fault chips computer (x) = Selected chips x Defective rate
Number of fault chips computer (x) = 20 x 4%
Number of fault chips computer (x) = 0.8
E(x) = 0.8