Asked by Jessica
If the variance of a light bulb is 400 and the mean lifetime of a light bulb is 600 hours. find the probablity of a light bulb lasting at most 622 hours
Answers
Answered by
Reiny
so SD = ?400 = 20
mean = 600
use
http://davidmlane.com/normal.html
and plug in your values
mean = 600
use
http://davidmlane.com/normal.html
and plug in your values
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.