Question

The life time of a light bulbs are given as follows: Probability 0.3 Number of hours less than 400 400 to 800 more than 800 0.5 0.2 What is the probability that among eight bulbs 2 will last less than 400 hours 5 will last between 400 to 800 hours and I will last more than 800 hours? a) b c) d) d 0.9450 0.0845 0.0745 0.0945 ​

Answer 1

Step-by-step explanation:

I taken this from brainly only I don't know the answer hope so this will help you