Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
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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 03 Mar 2018 My Price 5.00

Dean of Students

18.   At the end of the spring semester, the Dean of Students sent a survey to the entire freshman class. One question asked the students how much weight they had gained or lost since the beginning of the school year. The average was a gain of µ = 9 pounds with a standard deviation of u= 6. The distribution of scores was approximately normal. A sample of n = 4 students is selected and the average weight change is computed for the sample.

 

a.   What is the probability that the sample mean will be greater than M = 10 pounds? In symbols, what is p(M > 10)?

 

b.   Of all of the possible samples, what proportion will show an average weight loss? In symbols, what is p(M 0)?

 

c.    What is the probability that the sample mean will be a gain of between M = 9 and M = 12 pounds? In symbols, what is p(9 M 12)?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 03 Mar 2018 09:03 PM My Price 5.00

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