The J.O. Supplies Company buys calculators from a foreign supplier. The probability of a defective calculator is 10%.
-If 100 calculators are selected at random,what is the expected number of defectives?
A)2
B)4
C)6
D)8
E)10

Question

Quizplus · Accepted Answer

The expected number of defective calculators is calculated by multiplying the total number of calculators by the probability of finding a defective one. So, 100 calculators * 10% = 10 defective calculators.

The JO Supplies Company Buys Calculators from a Foreign Supplier