Flip 98 fair coins and 1 HH coin and 1 TT coin. Given that you see an H, what is the probability that it was the HH coin? Explain in layman’s terms.
Fair coins: Head (H) and Tail(T)
HH coin: Both sides are head
TT coin; Both sides are tail
- There are 100 heads in total.
- 2 of those heads come from the HH coin
- The probability is therefore