I haven't done perms and combs yet though unfortunately.Edit: Not sure if allowed to post solutions yet, some people haven't done it...
You don't need perms and combs for that- I haven't done perms and combs yet either. You just look at each one in turn and try to go intuitively. For example, his first prediction is an X and there are 4 X's left out of 8 cards so he has a 4/8 chance of getting that right. Then his next guess is a Y. There are 4 Y's left and 7 letters so he has a 4/7 chance of getting that right. Then you do this for them all and multiply.I haven't done perms and combs yet though unfortunately.
ah, that all makes sense nowYou don't need perms and combs for that- I haven't done perms and combs yet either. You just look at each one in turn and try to go intuitively. For example, his first prediction is an X and there are 4 X's left out of 8 cards so he has a 4/8 chance of getting that right. Then his next guess is a Y. There are 4 Y's left and 7 letters so he has a 4/7 chance of getting that right. Then you do this for them all and multiply.
is this the courier one? (sorry if it's not)numerous ppl got 200 for 26 , I dont think anyone had time too attempt the last ones lol.
It is the courier one.is this the courier one? (sorry if it's not)
yeah got 200 too i drew a diagram, though pretty sure other people did it somehow with algebra or something
Good work.is this the courier one? (sorry if it's not)
yeah got 200 too i drew a diagram, though pretty sure other people did it somehow with algebra or something
inb4100Brother did the comp today. came home and he's like, "Oh, I'll get 100". then I looked at the paper and was like... nope. you're probs gonna get 70 or something
Haha, doesn't he go to my school? I am sure he would've done fine for AMC, though it seems like 100 is pushing it. Unless of course he's a mathematical prodigy which I am told by you, he isn't.Brother did the comp today. came home and he's like, "Oh, I'll get 100". then I looked at the paper and was like... nope. you're probs gonna get 70 or something
hey did you get 225 or 226 for q29?It is the courier one.
Admittedly it was a pretty easy question 26.
225 for Q29.hey did you get 225 or 226 for q29?
You think a prize is potential for you?What did everyone get for question 21? The polynomial one? Also question 22, the circle with chords one?
Also today I realised I did get question 23 right, yay! Now that's 23, 25, 26, and 29, definately right. Hoping my solution to 21/22 were right also, would be awesome.
Nope, I might scrape a HD depending on the cut-off.You think a prize is potential for you?
A HD is still very good. By the sounds of it, I reckon you would have managed the top 5%.Nope, I might scrape a HD depending on the cut-off.