Question:

18 Suppose that the longevity of a light bulb is exponential

Last updated: 11/8/2023

18 Suppose that the longevity of a light bulb is exponential

18 Suppose that the longevity of a light bulb is exponential with a mean lifetime 8 years a Find the probability that a light bulb lasts less than 1 year b Find the prob that a bulb lasts between 6 and 10 years