Answer
286, 378
Work Step by Step
No. of free samples = 13
If customer makes exactly 3 requests = 13C3 = 286
If customers makes up to 3 requests = 13C0 + 13C1 + 13C2 + 13C3 = 378
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 4 - Probability and Counting Rules - 4-4 Counting Rules - Exercises 4-4 - Page 236: 22
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
