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#91




October 15, 2007 Exam P Question
You can find the question at:
http://www.sambroverman.com/pqw/oct1507p.pdf Sam Broverman 2brove@rogers.com 
#92




October 22, 2007 Exam P Question
You can find the question at:
http://www.sambroverman.com/pqw/oct2207p.pdf Sam Broverman 2brove@rogers.com 
#93




October 29, 2007 Exam P Question
You can find the question at:
http://www.sambroverman.com/pqw/oct2907p.pdf Sam Broverman 2brove@rogers.com 
#94




Some Time Off

#95




http://www.sambroverman.com/mar27p.pdf
can you explain why is it that f(xX>200) = f(x) / P(X>200) ? 
#96




booyaolian,
The usual formulation for a conditional density for random variable X=s given event A is the joint density or probability f(x,A) divided by the probability (or density) of the conditioning event P(A), so f(xA) = f(x,A)/P(A) . Since the event A is X>200 the joint density of f(x,A) is either 0 if x<=200 and is f(x) if x>200 . SB 
#97




December 31, 2007 Exam P Question
I just had to post one more question before Dick
Clark drops the ball in Times Square. The question can be found at http://www.sambroverman.com/pqw/dec3107p.pdf Best wishes for a healthy, happy and exampassing 2008.  Sam Broverman 2brove@rogers.com www.sambroverman.com 
#98




Quote:

#99




Vivi,
Thanks, I'll fix that wording. SB 
#100




January 7, 2008 Exam P Question
The question can be found at
http://www.sambroverman.com/pqw/jan708p.pdf  Sam Broverman 2brove@rogers.com www.sambroverman.com 
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