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If we draw 4 balls from a bad that contains 30 balls where we do not replace balls after drawing them and order does not matter, how many ways are there of doing this? 304

If we draw 4 balls from a bad that contains 30 balls where we do not replace balls after drawing them and order does not matter, how many ways are there of doing this? 304

A First Course in Probability (10th Edition)
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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If we draw 4 balls from a bad that contains 30 balls where we do not replace balls after drawing them and order does not matter, how many ways are there of doing this? (26) 304 O (30)
Transcribed Image Text:If we draw 4 balls from a bad that contains 30 balls where we do not replace balls after drawing them and order does not matter, how many ways are there of doing this? (26) 304 O (30)
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Solution-:

Given: n= 30, r=4

If we draw 4 balls from a bag that contains 30 balls where we do not replace balls after drawing them and order does not matter, how many ways are there to do this?

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