query: 400 people are in a room. What is the probability of two random people having the same birthday?
positive_passages.docid: 142797
positive_passages.text: Probability that two people share the same birthday?
negative_passages.docid: 149455
negative_passages.text: Probability question with interarrival times
negative_passages.docid: 136449
negative_passages.text: Combinatorics problem on $20$ people, $12$ months, and distinguishable groups
negative_passages.docid: 85213
negative_passages.text: Problem with random permutation and conditional probability
negative_passages.docid: 156080
negative_passages.text: changing probability of getting a random number
negative_passages.docid: 107964
negative_passages.text: Simple combinatorics problem.
negative_passages.docid: 96423
negative_passages.text: Birthday problem with at least 3 people
negative_passages.docid: 50179
negative_passages.text: Probability of two people meeting
negative_passages.docid: 61347
negative_passages.text: Understanding a probability paradox
negative_passages.docid: 24184
negative_passages.text: Probabilty of having exactly one sibling
negative_passages.docid: 68887
negative_passages.text: A probability theory question about independent coin tosses by two players
negative_passages.docid: 157228
negative_passages.text: Could someone help me check my answer on this probability question?
negative_passages.docid: 62102
negative_passages.text: Probability that n people collectively occupy all 365 birthdays
negative_passages.docid: 2666
negative_passages.text: Probability of two people meeting during a certain time.
negative_passages.docid: 132134
negative_passages.text: If nine coins are tossed, what is the probability that the number of heads is even?
negative_passages.docid: 107688
negative_passages.text: A contest question on probability
negative_passages.docid: 115955
negative_passages.text: Prove the Probability of Two Events