What is the probability of getting exactly 5 “heads” in 10 coin flips?

For 10 fair coin flips, there are 2^10 = 1,024 equally likely outcomes. Exactly 5 heads can occur in 10 choose 5 = 252 different arrangements, so the probability is 252/1,024 = 63/256. The correct choice is 63/256.

AI-written and checked against the verified answer.