Statistics questions

label Statistics
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Mar 11th, 2015

Here z = (x-mean)/sd

So we have z > (4-7)/1 and z < (8-7)/1

z > -3 and z < 1

P( -3 < z < 1 ) = P(z<1) - P(z<-3)

= 0.841345 - 0.00135

= 0.8400

Mar 11th, 2015

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Mar 11th, 2015
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Mar 11th, 2015
Jun 27th, 2017
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