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There are 4 red and 3 black discs. Sophie and Emma are playing a game in which they take turns drawing a disc and replacing it. To win the game, Sophie must draw a red disc and for Emma to win she must draw a black disc. They continue taking turns until there is a winner. Sophie goes...

Hi there, Anybody know whether any 2cp units will remain in 2010? Cheers!

Hi everyone, I'm over at Macquarie and into my third year of economics. I understand through a friend that this subject required the "Intermediate Microeconomics" Varian text and workbook. We used these texts last year and our lecturers have this year insisted on continuing to chop and change...

Okay, I sat down this afternoon to draw up what my timetable might look like for sem 1. I found that my 3 hour (Mon 2-5pm) GEOS204 "mixed activity" class clashes with the only ECON356 tutorial (Mon 4-5pm). Is it possible that I still enrol in both units? Can I just skip the last hour of the...

If (1+x)^n = sigma(r=0-->n) (nCr)(x^r) then show by integration that sigma (r=0-->n) ((-1)^n)(nCr)/(r+1) = 1/(n+1). Writing it out might be easier to understand. I integrated both sides, the LHS is easy, the RHS i can get, but i cant work out what to do after that. Thanks

Hello everyone. Cant find a thread on this subject. Im thinking of taking this unit next sem. Does anyone have any thoughts on this subject (is it interesting, difficult,etc)? I know Wylie Bradford takes it, and ive had him before and found he's a pretty good teacher. Thanks

Hi, a few questions: 1) A bunch of 6 mixed roses is to be made out of 12 red and 8 yellow roses. What is the probability there will be 4 red and 2 yellow roses? What is the probability that a bunch consists of one couloured flower only? 2) 8 cards made up of 4 pairs are chosen. the 8 cards are...