The probability to select 1st hot pepper of 8 hot peppers among 16 burritos is. The probability to select 2nd hot pepper of remaining 7 hot peppers among remaining 15 burritos is . The probability to select 3rd hot pepper of remaining 6 hot peppers among remaining 14 burritos is . By continuing this reasoning, you get, finally, the formula of 5 factors P = . The most important part in the solution of this problem is to construct this logic and this formula. The rest is just arithmetic.