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OpenStudy (anonymous):

help with statisitcs

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OpenStudy (anonymous):

OpenStudy (kirbykirby):

A. It is related to the cdf of the normal distribution. There's some stuff here http://en.wikipedia.org/wiki/68-95-99.7_rule

OpenStudy (anonymous):

can you help on this one?

OpenStudy (kropot72):

Go to the following link and select "normal.pdf". http://www.math.bgu.ac.il/~ngur/Teaching/probability/ Find the cumulative probabilities for z = 1.5 and z = -1.5. Find the value of\[z _{(1.5)}-z _{(-1.5)}=?\]

OpenStudy (kropot72):

@yashar806 What was the result of your calculation?

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OpenStudy (anonymous):

0.2652

OpenStudy (kropot72):

What values did you get for z(1.5) and z(-1.5) ?

OpenStudy (anonymous):

0.9332

OpenStudy (anonymous):

0.0668

OpenStudy (anonymous):

sorry, i calculate them wrong

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OpenStudy (anonymous):

lol

OpenStudy (anonymous):

i got the answer thanks

OpenStudy (kropot72):

You're welcome :)

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