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HELP! STATISTICS!!! PLEASE!! :(:(

Thread starter slisjunknown
Start date May 20, 2015

May 20, 2015

#1

slisjunknown

I urgently need any notes for normal distribution....stuff like when P(Z>a) is negative(greater than 0.5 or less)....please
THANKING U IN ADVANCE

May 20, 2015

#2

ibnatk

When it is z>(x-mean)/sigma is negative, you just flip the mean and X. make it z>(mean-x)/sigma

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