Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.4 Additional Topics in Probability and Counting - Exercises - Page 176: 47

Answer

Total People = 500 People with not fair financial shape = 0.62 x 500 = 310 People to be chosen = 80 Probability = 310! 80! 420! / 80! 230! 500! = 2.70 x 10$^{19}$

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