Elementary Statistics: Picturing the World (6th Edition)

by Larson, Ron; Farber, Betsy

Published by Pearson

ISBN 10: 0321911210

ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.1 Basic Concepts of Probability and Counting - Exercises - Page 142: 50

Answer

Probability = 0.992

Work Step by Step

Total frequency = 193 P(75 and over) = 15/193 P(Not 75 and over) = 1 - P(75 and over) = 1- 15/193 = 0.992

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