MathSofiya
Statistics:
\[\mu=28\]
\[\sigma=5\]
If \[P(z\le z_0)=0.12\]
How do I use the attached table to come to the conclusion that \[z_0=1.175\]?



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MathSofiya
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Zarkon
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look up .12 in the middle of the table

Zarkon
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or the numbers closest to .12

MathSofiya
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You mean here?

Zarkon
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no...the middle of the table...middle of the paper

MathSofiya
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No I think you mean here

MathSofiya
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right?

Zarkon
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no

MathSofiya
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Where?

Zarkon
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middle! ... don't look along the edge yet

MathSofiya
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here?

Zarkon
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yes...but there is another number that is really close to .12

MathSofiya
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.1190

Zarkon
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yes...what are the z values for those 2 numbers

MathSofiya
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but how did they come to the conclusion that z_0=1.175?

Zarkon
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answer my last question first

MathSofiya
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1.1 and .07 and .08....ah I see
Therefore 1.75 since it between .1190 and .1210

Zarkon
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1.17 and 1.18 take average of the two gives 1.175