Maurice Tutor

(5)

$15/per page/Negotiable

About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 399 Weeks Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 27 Feb 2018 My Price 5.00

Ed and Adelaide

Ed and Adelaide attend the same high school, but are in different math classes. The time E that it takes Ed to do his math homework follows a Normal distribution with mean 25 minutes and standard deviation 5 minutes. Adelaide’s math homework time A follows a Normal distribution with mean 50 minutes and standard deviation 10 minutes. Assume that E and A are independent random variables.

 

(a) Randomly select one math assignment of Ed’s and one math assignment of Adelaide’s. Let the random variable D be the difference in the amount of time each student spent on their assignments: D = A − E. Find the mean and the standard deviation of D. Show your work.

(b) Find the probability that Ed spent longer on his assignment than Adelaide did on hers. Show your work.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Feb 2018 09:02 PM My Price 5.00

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