Answer
The company's claim is incorrect, because as per official statement ratio is 1:6. This means 1 out of 7 or 1/7 = 0.143 instead of 1/6 = 0.167
Work Step by Step
As given in answer
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 145: 80
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