It's ok to dicuss the exam now...the mods said ok. Anyone get a
Bayes questions for their first? Something about finding the p of Female smokers?
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It's ok to dicuss the exam now...the mods said ok. Anyone get a
Bayes questions for their first? Something about finding the p of Female smokers?
Last edited by edt966; May 19th 2008 at 10:45 PM.
It's funny, I just realized I don't remember any of my questions except for something with a quadratic similar to:
2X - X^2 < 1
with a standard normal.
/racks brain
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Aprilia RS50
Last edited by prufer; January 21st 2011 at 12:55 PM.
Okay, another one. A and B are mutually exclusive. C and D are mutually exclusive.
P(A) given
P(C) given?
P(A intersect C) given
Find P(B intersect D).
I thinkkk that was it.
________
Triumph Model R
Last edited by prufer; January 21st 2011 at 12:55 PM.
i had a gamma question, no weibul pareto lognormal beta or chi square.
one mgf
no multivariate transformation or bivariate normal
a lot of bivariate discretes, way more than I expected, but they were ok
im blanking on the rest
There's always a question or two that I ponder after the test. I think I may have to break out the calculator and filler paper once more before taking a break. :unsure:
Oh oh oh! Did anyone get one about a mgf that listed three properties and asked which must be true? And the choices were something like
a) i and ii
b) ii and iii
c) i and ii and iii
d) ii and iii
e) i and iii
?
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trichome
Last edited by prufer; January 21st 2011 at 12:56 PM.
Hey Prufer, I had both those questions.
The only other question I remember for sure (because it was short) was: Two people arrange to meet sometime between 4 and 5 pm. They each arrive at different times. What's the probability that the first person to arrive will have to wait at least 20 minutes for the other person?
I think I had st.dev. = 2. I set the inequality equal to 0 and used the quadratic formula to find the two values of X. Then I plugged both of those into the standard normal equation with whatever it fit into, > or <, and added (or subtracted, I forgot) the two numbers I got from the chart. Not sure if it was the right thing to do, though!
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Toyota Supra
Last edited by prufer; January 21st 2011 at 12:56 PM.
I also remember one that wasn't too complicated once you sifted through the odd explanation. It was about a town with the city hall located at the origin, and residents could only walk to the building in parallel lines to the x- and y-axis. I think it asked you to find the expected value of the distance traveled by a resident.
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buy silver surfer
Last edited by prufer; January 21st 2011 at 12:56 PM.
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