<t>Not sure if the following has anything to do with answering the problem. Just some thoughts right off the top of my head.For a_1<a_2<...<a_n, the # of different patterns that decide the first 'k' players are n!/(n-k)!For each compare of A and B, it gives only two possible outcomes: A>B or A<B. Th...

<t>Correct me if my calculation is wrong.It is easier to calculate the probability that there is no two consecutive balls, and the probability isnchoosek(44, 6)/nchoosek(49, 6) = 0.5048.However this does not agree with alexandreC's simulation.The basic idea is that we can think of choosing 6 non-con...

Why the sum is clearly zero when n is odd?When n is odd, the ith item and the (n-i)th item cancel each other, but that leaves the item (n+1)/2, right?

<t>A recruiter provided this interview for me, and I have no idea on which group I will interview with.rp10029, since you mentioned the abstract reasoning questions, are these questions something like the brainteasers? Thank you.QuoteOriginally posted by: rp10029For which group is CSFB recruiting? p...

I am having my first phone interview with CSFB, NY in a couple of days for a quant position, anyone:- ever had anything similarAND/OR- has any input of what type of questions they usually ask/type of interview?Thank you!