Question

How many ways are there to answer a 10-Question true/false test, where at least 3 questions have been answered with false?

Answer 1

do you know how to start?

Answer 2

hey some_someone

Answer 3

Well, I know it has something to do Pascal's triangle, but that's pretty much it.

Answer 4

what? @UsArmy3947 ??

Answer 5

thx back there

Answer 6

for what? i did not do anything...?

Answer 7

u backed me up but im sorry for my behavior

Answer 8

umm i think we should take this or leave this, because we are gonna end up spamming this post.

Answer 9

ok add my as a fan

Answer 10

Hint:

# of different ways to answer T/F on a 10 question test
MINUS
# of different ways to answer T/F with less than 3 answered with False

Answer 11

How many different ways could you answer T/F on a 10 question test?

Answer 12

2^10 = 1024

Answer 13

..

Answer 14

Is it 968? I did 10c3 + 10c4 +10c5 + 10c6 +..... 10c10