2. [modified from page 76 #3] Coughlin et al. examined the breast and cervical screening practices of Hispanic and non-Hispanic women in counties that approximate the U.S. southern border region. The study used data from the Behavioral Risk Factor Surveillance System surveys of adults age 18 years or older conducted in 1999 and 2000. The table below reports the number of observations of Hispanic and non-Hispanic women who had received a mammogram in the past 2 years cross-classified with marital status. Marital Status Currently Married Divorced or Separated Widowed Never Married or Living As an Unmarried Couple Total Hispanic 319 130 88 41 578 Non-Hispanic | Total 738 1057 329 459 402 490 95 136 1564 2142 a) We select at random a subject who had a mammogram. What is the probability that she is widowed? b) We select at random a subject who had a mammogram and learn that she is Hispanic. With that information, what is the probability that she is married? c) What is the probability that a randomly chosen subject is Hispanic, given that she is widowed? e) Define two events in this space that are mutually exclusive. d) We select at random a subject who had a mammogram. What is the probability that she is Hispanic or she is widowed?
2. [modified from page 76 #3] Coughlin et al. examined the breast and cervical screening practices of Hispanic and non-Hispanic women in counties that approximate the U.S. southern border region. The study used data from the Behavioral Risk Factor Surveillance System surveys of adults age 18 years or older conducted in 1999 and 2000. The table below reports the number of observations of Hispanic and non-Hispanic women who had received a mammogram in the past 2 years cross-classified with marital status. Marital Status Currently Married Divorced or Separated Widowed Never Married or Living As an Unmarried Couple Total Hispanic 319 130 88 41 578 Non-Hispanic | Total 738 1057 329 459 402 490 95 136 1564 2142 a) We select at random a subject who had a mammogram. What is the probability that she is widowed? b) We select at random a subject who had a mammogram and learn that she is Hispanic. With that information, what is the probability that she is married? c) What is the probability that a randomly chosen subject is Hispanic, given that she is widowed? e) Define two events in this space that are mutually exclusive. d) We select at random a subject who had a mammogram. What is the probability that she is Hispanic or she is widowed?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![2. [modified from page 76 #3] Coughlin et al. examined the breast and cervical screening practices of
Hispanic and non-Hispanic women in counties that approximate the U.S. southern border region. The
study used data from the Behavioral Risk Factor Surveillance System surveys of adults age 18 years or
older conducted in 1999 and 2000. The table below reports the number of observations of Hispanic and
non-Hispanic women who had received a mammogram in the past 2 years cross-classified with marital
status.
Marital Status
Currently Married
Divorced or Separated
Widowed
Never Married or Living As an
Unmarried Couple
Total
Hispanic
319
130
88
41
578
Non-Hispanic
738
329
402
95
1564
Total
1057
459
490
136
2142
a) We select at random a subject who had a mammogram. What is the probability that she is
widowed?
b) We select at random a subject who had a mammogram and learn that she is Hispanic. With that
information, what is the probability that she is married?
e) Def two vents in this space that are mutually exclusive.
c) What is the probability that a randomly chosen subject is Hispanic, given that she is widowed?
d) We select at random a subject who had a mammogram. What is the probability that she is
Hispanic or she is widowed?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f33cc2f-0221-41a8-a3a2-cc96bc7960a2%2Ffb600de4-215b-447c-a733-2ab0ea629e89%2Ftm2rfs_processed.png&w=3840&q=75)
Transcribed Image Text:2. [modified from page 76 #3] Coughlin et al. examined the breast and cervical screening practices of
Hispanic and non-Hispanic women in counties that approximate the U.S. southern border region. The
study used data from the Behavioral Risk Factor Surveillance System surveys of adults age 18 years or
older conducted in 1999 and 2000. The table below reports the number of observations of Hispanic and
non-Hispanic women who had received a mammogram in the past 2 years cross-classified with marital
status.
Marital Status
Currently Married
Divorced or Separated
Widowed
Never Married or Living As an
Unmarried Couple
Total
Hispanic
319
130
88
41
578
Non-Hispanic
738
329
402
95
1564
Total
1057
459
490
136
2142
a) We select at random a subject who had a mammogram. What is the probability that she is
widowed?
b) We select at random a subject who had a mammogram and learn that she is Hispanic. With that
information, what is the probability that she is married?
e) Def two vents in this space that are mutually exclusive.
c) What is the probability that a randomly chosen subject is Hispanic, given that she is widowed?
d) We select at random a subject who had a mammogram. What is the probability that she is
Hispanic or she is widowed?
Expert Solution
Step 1
The question is about probability
Given :
To find :
a ) randomly selected subject who had mammo., Prob. that she is widowed
b ) randomly selected subject who had mammo. and learn that Hisp., prob. that she is married
c ) Prob. that randomly selected subject is hisp. given that she is widowed
d ) randomly selected subject who has mammo., prob. that she is hisp. or she is widowed
e ) Two mutually excl. events
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