Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 9 - Section 9.2 - Assess Your Understanding - Applying the Concepts - Page 453: 54e

Answer

P(at least 8 drinks) = P(8 drinks) + P(9 drinks) + P(10 drinks) + P(11 drinks) + P(12 drinks) = 1/243 + 0/243 + 0/243 + 0/243 + 1/243 = 2/243 = 0.008 > 0.05 Yes, it would be unusual to observe an individual who consumes at least eight drinks because the probability is very low.

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