How many people must there be in a room before there is a 50% chance that two of them were born on the same day of the year?
A. At least 23
B. At least 183
C. At least 366
D. At least 730
Answer:A
How many people must there be in a room before there is a 50% chance that two of them were born on the same day of the year?
A. At least 23 B. At least 183 C. At least 366 D. At least 730