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Mathematics 11 Online
OpenStudy (anonymous):

P(-a

OpenStudy (anonymous):

Assume that z scores are normally distributed with a mean of 0 and standard deviation of 1

OpenStudy (zarkon):

I don't get a = 0.763

OpenStudy (tkhunny):

Did I do it backwards again?! a = 0.57011456

OpenStudy (zarkon):

that is what I get

OpenStudy (tkhunny):

To clarify: Equivalently: P(0 < z < a) = 0.2157 Equivalently: P(z < a) = 0.7157 Or a = 0.57011456 -- It's a lookup.

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