Im just confused and don't know where to start. Can you break it down to the simplest form please
need the entire question, I can help you.
that won't be the same question when i get back to my homework but i just need it broken down so i know how to get the answer myself. I know the answer is 37.49 but i have no idea how i get that
that means Pr(x>x) = 13%
Pr (x>x) = Pr(Z>z) = 1-Pr(Z<z) =0.13
sp Pr(Z<z) = 0.87,
look up the normal table for area under z equals to 0.87, we have
z = 1.13
z = (x-u)/std = 1.13
x = 1.13*o+u = 42+1.13*4 = 46.5
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