Question

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Answer 1

80-45 maybe?

Answer 2

have you studied counting methods yet?

Answer 3

noo this is statistics that can't be the answer

Answer 4

what is a balanced coin?

Answer 5

oh statistics hmm... is that the full question? or is there chooses?

Answer 6

full question

Answer 7

oh let me check do this with a little trick

Answer 8

"how many ways can you color in 45 out of 80 squares?" is an equivalent question, if that helps...

Answer 9

lol don't know

Answer 10

that would be the number of ways to get 45 heads, then you have to multiply by the odds of heads by itself 45 times, multiplies by the odds of tails by itself 35 times. If the coin is fair the expression simplifies a bit