The J. O. Supplies Company buys calculators from a Korean supplier. The probability of a defective calculator is 10%.If 10 calculators are selected at random, what is the probability that 3 or more of the calculators will be defective?
A. 0.0702
B. 0 .2639
C. 0.0016
D. 0

A. 0.0702

Step-by-step explanation:

The probability that 3 or more of the calculators will be defective is 1 minus the probability that exactly zero, one or two calculator are defective:

For X= 0:

For X= 1:

For X=2

Therefore:

The probability that 3 or more of the calculators will be defective is 0.0702.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6