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Problem 1267. Calculate the probability that at least two people in a group share the same birthday.

Created by Jeremy in Community

Calculate the probability that at least two people in a group share the same birthday. Given an integer input n, return to 0.015 (1.5%) precision the probability of this being the case. Assume that every day is equally probable as a birthday and ignore the leap year.

Example:

Input: 1
Output: 0.00

Input: 366
Output: 1.00
Solve

Solution Stats

54.7% Correct | 45.3% Incorrect
Last solution submitted on Apr 08, 2019

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