If you test 2 different light bulbs from a box of 100 bulbs that contains 1 defective bulb, what is the probability that both light bulbs that you test are defective?

Question

Akhilesh Singh · Answer

0. Since there is just one defective bulb in the lot, you can never get two defective bulbs. So the correct answer is 0.

If you test 2 different light bulbs from a box of 100 bulbs that contains 1 defective bulb, what is the probability that both light bulbs that you test are defective?

Join CAT 2026 course by 5-Time CAT 100%iler

Download resources