Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 4 - Probability and Counting Rules - 4-5 Probability and Counting Rules - Exercises 4-5 - Page 245: 12



Work Step by Step

Number of choices of selecting 3 out of 8 science books: $_8C_3$=56 Number of choices of selecting 4 out of 9 math books: $_9C_4$=126 Total choices of selecting 7 books out of 17: $_{17}C_7$=19448 The probability for this problem $p=56\times126/19448=0.363$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.