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Yes, but is there such thing as P(X>29.2)=-0.9345?

no, probabilities must be within 0 and 1

i get
m = 42
s = 8.47

that's right.. How did you get that?

by solving the system of equations
you should get
Z1 = 2.018
Z2 = -1.51
right

Wait, how did you get Z2?

looked up 1-.9345

which is 0.0655... But I don't have that value on my distribution table?

It starts at 0.5?
And I can't use excel in my exam, so... how can I find the value otherwise?

it doesn't show probabilities less than 0.5 ??

No, it doesn't.

ok look up .9345 and flip the sign of the z-value

No

It's 1.51

So, it'd be -1.51?

yeah, you can do that because the distribution is symmetric

Ah Ok. Thanks... So from there, what are the two equations which result?

Ok. Thanks!!!

yw