Coughlin et al. examined the breast and cervical sereening 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. 6 Marital Status Hispanic Non-Hispanic Total Currently Married Divorced or Separated 738 329 1057 319 130 459 402 490 Widowed 88 136 Never Maried or Living As an Unmarried Couple 41 95 2142 Total 578 1564 We select at random a subject who had a mammogram. What is the probability that I. she is divorced or separated? We select at random a subject who had a mammogram and learn that she is Hispanic II With that information, what is the probability that she is married? We select at random a subject who had a mammogram. What is the probability that III. she is non-Hispanic and divorced or separated? IV We select at random a subject who had a mammogram. What is the probability that she is Hispanic or she is widowed? V We select at random a subject who had a mammogram. What is the probability that she is not married?

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biostatistics course, the chapter of probability

Coughlin et al. examined the breast and cervical sereening 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.
6
Marital Status
Hispanic Non-Hispanic Total
Currently Married
Divorced or Separated
738
329
1057
319
130
459
402
490
Widowed
88
136
Never Maried or Living As
an Unmarried Couple
41
95
2142
Total
578
1564
We select at random a subject who had a mammogram. What is the probability that
I.
she is divorced or separated?
We select at random a subject who had a mammogram and learn that she is Hispanic
II
With that information, what is the probability that she is married?
We select at random a subject who had a mammogram. What is the probability that
III.
she is non-Hispanic and divorced or separated?
IV
We select at random a subject who had a mammogram. What is the probability that
she is Hispanic or she is widowed?
V
We select at random a subject who had a mammogram. What is the probability that
she is not married?
Transcribed Image Text:Coughlin et al. examined the breast and cervical sereening 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. 6 Marital Status Hispanic Non-Hispanic Total Currently Married Divorced or Separated 738 329 1057 319 130 459 402 490 Widowed 88 136 Never Maried or Living As an Unmarried Couple 41 95 2142 Total 578 1564 We select at random a subject who had a mammogram. What is the probability that I. she is divorced or separated? We select at random a subject who had a mammogram and learn that she is Hispanic II With that information, what is the probability that she is married? We select at random a subject who had a mammogram. What is the probability that III. she is non-Hispanic and divorced or separated? IV We select at random a subject who had a mammogram. What is the probability that she is Hispanic or she is widowed? V We select at random a subject who had a mammogram. What is the probability that she is not married?
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