HMMT 十一月 2016 · THM 赛 · 第 1 题
HMMT November 2016 — THM Round — Problem 1
题目详情
- DeAndre Jordan shoots free throws that are worth 1 point each. He makes 40% of his shots. If he takes two shots find the probability that he scores at least 1 point.
解析
- DeAndre Jordan shoots free throws that are worth 1 point each. He makes 40% of his shots. If he takes two shots find the probability that he scores at least 1 point. Proposed by: Allen Liu 16 Answer: 25 We want to find the probability of making at least one shot. The probability he makes no shots is ( ) ( ) 16 2 2 3 3 , so the probability of making at least one is 1 − = . 5 5 25