Maurice Tutor

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About Maurice Tutor

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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: 409 Weeks Ago, 1 Day Ago
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Education

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

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 4.00

dormitory mate

A dormitory has n students, all of whom like to gossip. One of the students hears a rumor, and tells it to one of the other n -1 students picked at random. Subsequently, each student who hears the rumor tells it to a student picked at random from the dormitory (excluding, of course, himself/ herself and the person from whom he/ she heard the rumor). Let pr be the probability that the rumor is told r times without coming back to a student who has already heard it from a dormitory mate. So p1 = p2 = 1, and pn =  0.

a)       Find a formula for pr for r between 3 and n – 1.

b)      Estimate this probability for n = 300 and r = 30.

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 01:10 PM My Price 4.00

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