College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 9, Counting and Probability - Section 9.3 - Binomial Probability - 9.3 Exercises - Page 675: 8



Work Step by Step

Probability of success: $.7$ Probability of failure: $(1-.7)=.3$ The probability of one failure out of five attempts (implies four successes) is $(.7)^{4}\times (.3)\times 5C4=.36015$
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