Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 5 - Section 5.4 - The Binomial Probability Distribution - Exercises - Page 203: 5.35

Answer

From Table 1, n=15, P=0.3, a. at least 4 = $P(x \geq 4) $ = 1-$P(x\lt4)$ = 1-(0.0047+0.0305+0.0916+0.1700) = 0.7031 b. 1 to 3 = $P(1 \leq x \leq 3 )$ = 0.3052+0.0916+0.17 = 0.2921 c. at most 5 = $P(x \leq 5)$ = 0.0047+0.0305+0.0916+0.17+0.2186+0.2061 = 0.7217

Work Step by Step

See above.
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