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OpenStudy (anonymous):
Given that x is a normal variable with mean r = 110 and o- =12 find ( A. ) P (x <_ 120) ( B. ) P (x >_ 80) ( C.) P (80 <_ x <_ 120) Hopefully you understand what I'm asking I didnt have the symbols on my phone so it kinda looks weird
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OpenStudy (anonymous):
find first the value of z in each case and find the corresponding values from the normal table
OpenStudy (anonymous):
z=(x-r)/o-
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