China Naming Network - Baby naming - Probability of drawing lots

Probability of drawing lots

There are six possibilities: AB, AC, AD, BC, BD and CD, and two people are selected from A, B, C and D for cleaning by lottery.

So the probability of choosing both A and B is 16.

So the answer is: 16.

上篇: Lottery zodiac mouse 下篇: The boy was named according to his birth date (his father’s surname is Yu and his mother’s surname is Bai. The boy was born at 6:30 a.m. on the twenty-eighth day of the first lunar month in 2011). Please help with a name. Thanks!