specificity = .88. Of the women who undergo mammograms at any given time, about 1% is estimated to actually have breast cancer.   -Tree DiagramforMammogram?   -ContingencyTable forMammogram?   QUESTION 2:   A) prevalance= .01 a) Find the probability of a positive test? b) Of the women who receive a positive mammogram, what proportion actually have breast cancer?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Example: Typical values reported for the mammogram which is used to detect breast cancer are sensitivity = .86, specificity = .88. Of the women who undergo mammograms at any given time, about 1% is estimated to actually have breast cancer.

 

-Tree DiagramforMammogram?

 

-ContingencyTable forMammogram?

 

QUESTION 2:

 

A) prevalance= .01

a) Find the probability of a positive test?

b) Of the women who receive a positive mammogram, what proportion actually

have breast cancer?

c) if a woman tests negative, what is the probability that she does not have breast

cancer?

 

 

 

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