A factory makes car batteries. The probability that a battery is defective is 1/11. If 500 batteries are tested, about how many are expected to be defective?

Question

asked Mar 7, 2021 44.0k views

2 Answers

Malajisi · Answer 1 · 2021-03-11T22:38:55+0000

Answer:

45.45 batteries

Explanation:

The probability of any random battery being defective is 1 in 11, the number of expected defects in a population of 500 batteries is given by:

$E= (1)/(11)*500\\E=45.45\ batteries$

45.45 batteries are expected to be defective.