Question

A.J. has 20 jobs that she must do in sequence, with the times required to do each of these jobs being independent random variables with mean 50 minutes and standard deviation 10 minutes. M.J. has 20 jobs that he must do in sequence, with the times required to do each of these jobs being independent random variables with mean 52 minutes and standard deviation 15 minutes.
(a) Find the probability that A.J. finishes in less than 900 minutes.
(b) Find the probability that M.J. finishes in less than 900 minutes.
(c) Find the probability that A.J. finishes before M.J.


$1.99
Sales0
Views179
Comments0
  • CreatedOctober 22, 2015
  • Files Included
Post your question
5000