Consider a normally distributed random variable where mu = std. dev = k.

Find Pr(Z > 2k):

No idea on this one.

(the answer is 0.1587 for reference)

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- October 4th 2006, 01:29 AMscorpion007normal distribution question
Consider a normally distributed random variable where mu = std. dev = k.

Find Pr(Z > 2k):

No idea on this one.

(the answer is 0.1587 for reference) - October 4th 2006, 02:27 AMCaptainBlack
- October 5th 2006, 01:10 AMscorpion007
im not exactly sure, the question did not say that Z was a standard normal variable, only that is was normal. But the letter Z usually denotes a std normal variable...

Im not exactly sure how you got Pr(X>2k)=Pr(Z>1), could you clarify? - October 5th 2006, 02:25 AMCaptainBlack