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

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 24 Jan 2018 My Price 5.00

percentage of the measurements

7.59       The mean grade on a final examination was 72 and the standard deviation  was  9.  The  top  10%  of  the students are to receive A's. What is the minimum grade that a student must get in order to receive an A?

 

7.60       If a set of measurements is normally distributed. what percentage of the measurements differ from the mean by (a) more than half the standard deviation and (h) less than three-quarters of the standard deviation'!

 

7.61       If X is the mean and s  is  the  standard  deviation  of  a  set  of  normally  distributed  measurements.  what percentage of the measurements ,ire (a) within the range X ± 2s,  (h)  outside  the  range  X  ± I .2s,  and  (c) greater than X - 1 .5s?

 

7.62       In Problem 7.61, find the constant a such that the percentage of the cases (a) within the range X  ± as is  75% and (b) Jess than X - as is 22%.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 24 Jan 2018 09:01 PM My Price 5.00

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