Determine the probability that among a set of 5 people, at least two have their birthdays in the same month of the year (assuming the months are equally likely for birthdays).

1. 0.58
2. 0.62
3. 0.65
4. 0.68
5. 0.72

References

Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.