A box contains seven 40-W bulbs, four 60-W bulbs, and six 75-W bulbs. If bulbs are selected one by one in random order, what is

Question

3 years ago

9

the probability that at least two bulbs must be selected to obtain one that is rated 75 W? (Round your answer to three decimal places.)

1 answer:

OLEGan [10] · Answer 1 · 2022-01-11T02:17:29+03:00

3 0

Answer: 2.833

Step-by-step explanation:

Add up the amount of light bulbs: (7+6+4).

Divide 17 (^the sum^) by 6 (the amount of 75 watt bulbs).