SophiaPretty

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    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

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Category > Math Posted 14 Aug 2017 My Price 10.00

b) Assuming the distribution of the number of hours community college students study per week is normally distributed.

b) Assuming the distribution of the number of hours community college students study per week is normally distributed. approximately how many of the students in the sample study between 7.7 and 15.7 hours per week? When the data set is normally distributed we use the Empirical Rule. u = 11.7 hours (standard deviation) u - a = 11.7 — 4 = 7.7 hours (lower 34% or 68%) 
This text was automatically generated from the attachment. Please refer to the attachment to view this question. 
Just wanted to ask how did the person get the percentages in this question? 
This question was created from WrittenAssignment#1 

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SophiaPretty
(5)
Status NEW Posted 14 Aug 2017 07:08 AM My Price 10.00

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