Question

Show that in a group of four people it is more likely than not that two of them were born on the same day of the week.

score 84 · Answer 1 · 2026-04-12 04:59:55

84

Views

Show that in a group of four people it is more likely than not that two of them were born on the same day of the week.

Published on 12 Apr 2026 - 4:59

score 51 · Answer 2 · 2026-04-12 09:09:40

51

Views

Birthday problem for people knowing each other

Published on 12 Apr 2026 - 9:09

score 64 · Answer 3 · 2026-03-25 17:21:31

64

Views

closed form of multiple in the probability of a two to one collision problem (birthday paradox).

Published on 25 Mar 2026 - 17:21

score 382 · Answer 4 · 2021-03-29 17:41:33

382

Views

At least 2 share the same birthday but without doing actual calculations for the probability

Published on 29 Mar 2021 - 17:41

score 70 · Answer 5 · 2026-04-12 04:04:13

70

Views

Probability of birthday

Published on 12 Apr 2026 - 4:04

score 50 · Answer 6 · 2026-04-09 16:21:53

50

Views

Probability- Birthday problem

Published on 09 Apr 2026 - 16:21

score 102 · Answer 7 · 2026-04-11 23:55:41

102

Views

Probability of 4 parents sharing 2 birthdays

Published on 11 Apr 2026 - 23:55

score 297 · Answer 8 · 2026-03-28 11:42:43

297

Views

Using R, solve the birthday paradox

Published on 28 Mar 2026 - 11:42

score 954 · Answer 9 · 2026-03-26 12:36:36

954

Views

Expected number of aces in a poker hand

Published on 26 Mar 2026 - 12:36

score 202 · Answer 10 · 2026-04-11 17:41:10

202

Views

What is the probability that with 100 people, there are 3 consecutive birthdays at some point in the year?

Published on 11 Apr 2026 - 17:41

score 53 · Answer 11 · 2026-04-11 22:35:46

53

Views

Birthday problem but with $2^{128}$ different days in the year

Published on 11 Apr 2026 - 22:35

score 225 · Answer 12 · 2026-04-10 05:05:08

225

Views

What is the probability of two random elements from two lists are equal? (formal proof)

Published on 10 Apr 2026 - 5:05

score 154 · Answer 13 · 2026-04-09 13:01:12

154

Views

Birthday paradox problem in terms of months

Published on 09 Apr 2026 - 13:01

score 315 · Answer 14 · 2026-04-11 10:26:10

315

Views

Probability of at least 3 people sharing a common birthday

Published on 11 Apr 2026 - 10:26

score 75 · Answer 15 · 2026-04-05 20:53:06

75

Views

Solve inequality involving product of x terms

Published on 05 Apr 2026 - 20:53

List Question

Show that in a group of four people it is more likely than not that two of them were born on the same day of the week.

Birthday problem for people knowing each other

closed form of multiple in the probability of a two to one collision problem (birthday paradox).

At least 2 share the same birthday but without doing actual calculations for the probability

Probability of birthday

Probability- Birthday problem

Probability of 4 parents sharing 2 birthdays

Using R, solve the birthday paradox

Expected number of aces in a poker hand

What is the probability that with 100 people, there are 3 consecutive birthdays at some point in the year?

Birthday problem but with $2^{128}$ different days in the year

What is the probability of two random elements from two lists are equal? (formal proof)

Birthday paradox problem in terms of months

Probability of at least 3 people sharing a common birthday

Solve inequality involving product of x terms

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