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A person tosses a coin 19 times. In how many ways can he get 12 heads?

A person tosses a coin 19 times. In how many ways can he get 12 heads?
51.3k views
22 votes
A person tosses a coin 19 times. In how many ways can he get 12 heads?

User Powderham
by
7.6k points

2 Answers

11 votes

Answer:

11C9 = 55

11! / [9!(11 - 9)!]

39916800 / (362880 * 2)

39916800 / 725760

55

Explanation:

User Deadroxy
by
8.1k points
3 votes

Answer:

By getting head's 12 times

Explanation:

User Johan Vergeer
by
8.0k points
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