According to the calculation, 301 people would be needed a room for the probability that two people shared a birthday to be higher than 50%.
Probability
To determine, if there were only 200 days in a year, how many people would need to be in a room before the probability that two people shared a birthday exceeded 50%, the following calculation must be performed:
- 200 days / 200 people = 200 / 200 = 1
- 300 / 200 = 1.5
- 301 / 200 = 1,505
Therefore, 301 people would be needed a room for the probability that two people shared a birthday to be higher than 50%.
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