We flip a fair coin 10 times. What is the probability that we get heads in exactly 8 of the 10 flips?

We have ₁₀C₈ \(* (\frac{1}{2})^2 ≈ 0.044\)

- Daisy

{10! / [8! * 2!]} / 2^10 =45 / 1,024 =0.0439453125.

OR: 10C2 / 2^10 =45 / 1,024            =0.0439453125.