Question

Four people are chosen at random. What is the probability (expression only) that at least two of them were born in the same month? Assume that each month is as likely as any other

Name: four people are chosen at random what is the probability expression only that at least two of them were born in the same month assume that each month is as likely as any other 46462
Uploaded: 2022-03-19T08:51:05-08:00
Duration: 3 min 15 s
Channel: Pronoy Sinha
Description: four people are chosen at random what is the probability expression only that at least two of them were born in the same month assume that each month is as likely as any other 46462

          Four people are chosen at random. What is the probability
(expression only) that at least two of them were born in the same
month? Assume that each month is as likely as any other

Added by Sergio D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Pronoy Sinha

03/19/2022

Step 1

Step 1:** Calculate the total number of ways to choose 4 distinct months out of 12 months using the permutation formula: \[ \text{Total ways} = \frac{12!}{(12-4)!} = \frac{12 \times 11 \times 10 \times 9}{1} = 11,880 \] ** Show more…

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Four people are chosen at random. What is the probability (expression only) that at least two of them were born in the same month? Assume that each month is as likely as any other