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anonymous
 one year ago
combi principles
anonymous
 one year ago
combi principles

This Question is Closed

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2how many letters are there ? how many digits are there ? the question is ambiguous yeah

dan815
 one year ago
Best ResponseYou've already chosen the best response.3http://prntscr.com/7q5o2w there is one

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You're right @ganeshie8 =)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@dan815 why is it 10? =)

dan815
 one year ago
Best ResponseYou've already chosen the best response.310 digits http://prntscr.com/7q5ox0 there is 2

dan815
 one year ago
Best ResponseYou've already chosen the best response.3are you trying to trick us with this question?

dan815
 one year ago
Best ResponseYou've already chosen the best response.3you can try the rest on your own, its the same method

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No no it is really the question

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2what is the question

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2hey is that a new question ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.23 jackets 6 shirts 4 pants total how many possibilities are there for buying "one" item ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It seems like the first question is a unintelligible. So i posted the last one.

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2Yep! one item to choose from 13 items so one of the items can be chosen in 13C1 = 13 ways

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2for part b, you need to multiply them : 3C1*6C1*4C1 = 3*6*4 = 72

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yezzz how about the 4th question

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh its like the fifth question though

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.212C1 = 12 for parta looks good

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.216 ppl total one class representative can be chosen in 16C1 = 16 ways

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2for partb : one male class representative and one female class representative can be chosen in : 8C1*6C1 = 8*6 = 48 ways

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2nope, your answer for b is wrong

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2First of all, whats your interpretation of the problem ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2we need to choose two class representative, one from each gender, yes ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2whats your answer for part b ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2for partc, we just need to choose 2 students, gender doesn't matter

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2Yes, 2 students can be chosen from 14 students in 14C2 ways.

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2dw:1436339681059:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2Suppose A is your home, C is your school and B is an icecream shop on the way

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2parta is asking you to find out the number of paths between A and C

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay.. Im following. =)

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2Make a guess, how many total paths are there ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2Nope. Notice that for every path from A to B, there are 4 paths from B to C : dw:1436340238276:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2since there are 6 paths from A to B, the total number of paths from A to C will be simply 6*4 = 24

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2read the question again what do we need to find for parta ?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2it is just asking you to find the number of paths from A to C through B

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2there are 24 paths so the answer is 24

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2dw:1436343105994:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.2A to C, there are 6*4 = 24 paths C to A, again there are 4*6 = 24 paths so for a round trip, there are 24*24 distinct paths

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you so much @ganeshie8 =)
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