Answer
From part (a), we observe that 3 out of 4 outcomes have atleast one mutant, so
P(At least one mutant) = 3/4 = 0.75
Work Step by Step
As given in answer
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 3 - Probability - Exercises 3.63 - 3.97 - Applying the Concepts - Advanced - Page 149: 3.94b
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