lected Metropolis worker. Job Classification Blue Collar Collar White Manage- Marginal Probability rital Status ment .15 1 .12 04 .09 20 17 .04 .02 52 .02 .18 .10 20 .04 Married al Probability .06 05 40 32 28 1.00

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Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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3-7 The following joint probability table applies to
marital status and job classification of a randomly
selected Metropolis worker.
Job Classification
Blue White Manage- Marginal
Collar Collar
Marital Status
ment
Probability
Married
Divorced
Widowed
151
.12
04
.09
20
.17
52
.02
.04
.06
04
.02
.05
.18
10
20
Never Married
Marginal Probability
40
32
28
1.00
(b) What is the probability that the person is pres-
ently unmarried?
(c) What is the probability that the person is a for-
merly married blue-collar worker?
(d) What is the probability that he or she is a non-
management married person?
Transcribed Image Text:3-7 The following joint probability table applies to marital status and job classification of a randomly selected Metropolis worker. Job Classification Blue White Manage- Marginal Collar Collar Marital Status ment Probability Married Divorced Widowed 151 .12 04 .09 20 .17 52 .02 .04 .06 04 .02 .05 .18 10 20 Never Married Marginal Probability 40 32 28 1.00 (b) What is the probability that the person is pres- ently unmarried? (c) What is the probability that the person is a for- merly married blue-collar worker? (d) What is the probability that he or she is a non- management married person?
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