The TAs invite some other friends to join in on their Barbie watch party. Among the 2 ≤ k ≤ 7 people at the watch party, what is the probability that at least two of them were born on the same day of the week?

The TAs invite some other friends to join in on their Barbie watch party. Among the 2 ≤ k ≤ 7 people at the watch party, what is the probability that at least two of them were born on the same day of the week?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The TAs invite some other friends to join in on their Barbie watch party. Among the 2 ≤ k ≤ 7
people at the watch party, what is the probability that at least two of them were born on the
same day of the week?

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