At least how many people are needed to ensure that the probability that someone's birthday is the same as yours is more than 50%? (365 days a year)
A: 23
B: 183
C: 253
D: 365
A: 23
B: 183
C: 253
D: 365
举一反三
- How many days are there in a year? A: 365 B: 200 C: 100 D: 256
- 如果需要保证至少两个人的生日为同一天的概率不小于50%,最少需要多少人?(一年按照365天计算)() A: 23 B: 183 C: 253 D: 365
- 至少要多少人才能保证其中有人与你的生日是同一天的概率超过50%?(一年按照365天计算) A: 23 B: 183 C: 253 D: 365
- How long has Michael been at the school（） A: Less than a year B: More than a year C: At least a year
- How many people were killed in the raid A: More than 18. B: More than 80. C: More than a thousand.