Answer
a) .1551
b) .1021
c) No, the probability of being stressed is affected by the level of income
Work Step by Step
a) 1016/6549=.1551
b) 216/2115=.1021
Statistics for the Life Sciences (5th Edition)
by Samuels, Myra L.; Witmer, Jeffrey A.; Schaffner, Andrew
Published by
Pearson
ISBN 10:
0-32198-958-9
ISBN 13:
978-0-32198-958-1
Chapter 3 - Probability and the Binomial Distribution - Exercises 3.3.1 - 3.3.5 - Page 98: 3.3.3
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