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  1. I need some urgent guidance regarding my IB subject choices for next year!!! This is what I've entered; English Lit A HL Economics HL History HL Maths SL Environmental systems and societies SL Mandarin ab initio SL However, I still have the opportunity to make changes so I thought I'd ask for some thoughts on them before I finalise. First of all - do they seem optimal for law at Russel Group/Ivy Leauge unis? English Lit, Economics, Maths and Mandarin are more or less definite so I am left with two concerns; I am considering swapping out History HL to G
  2. Lets say you are playing poker playing against 2 other people. Everyone gets 2 cards first and your 2 cards are a pair of X's. 5 more cards are going to come in the middle, and I want to find the probability of getting a full house. would you agree that these are the possible combinations of 5 cards?: YYYKM XYYKM YYYKK XYYKK XYYYK Where X is the rank of card that i have a pair of in my hand, Y, K and M is any other rank. from each of those combinations i find the amount of combinations possible. eg: for XYYKM i would do 13C1 x 2C1 x 12C1 x 4C2 x 11C2 x 4C1 x 4C1 = 1,647,360 possible
  3. For my IA i want to do about the probabilities of poker. I didn't do the topic in class about combinations and permutations, but i am slowly learning it myself. Just stuck on something: Lets say 3 people are playing poker, and they all get 2 cards each at the start of the game. So there are 46 cards left, 5 of which will come in the middle. knowing that i have a pair in my hand ( a pair of 2 for example), how can i find the probability of the five cards in the middle to have another card of the same rank (e.g. another 2), to make a triple, or even to make 4-of-a-kind. So i would star
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