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For part (a) I just followed an example in the book and said the answer was 10 choose 3, is this right? I wasn't quite sure how to start part (b). --[[User:Rhollowe|Rhollowe]] 16:46, 4 February 2009 (UTC) | For part (a) I just followed an example in the book and said the answer was 10 choose 3, is this right? I wasn't quite sure how to start part (b). --[[User:Rhollowe|Rhollowe]] 16:46, 4 February 2009 (UTC) | ||
− | + | [[Category:MA375Spring2009Walther]] | |
+ | for part b), can we just consider the cases when 0s are exactly 6,7,8,9,10 and add up those numbers? | ||
+ | I don't see any problem... | ||
Revision as of 12:57, 4 February 2009
For part (a) I just followed an example in the book and said the answer was 10 choose 3, is this right? I wasn't quite sure how to start part (b). --Rhollowe 16:46, 4 February 2009 (UTC)
for part b), can we just consider the cases when 0s are exactly 6,7,8,9,10 and add up those numbers?
I don't see any problem...