We have the following information about a new medical test for diagnosing cancer.

Before any data are observed, we know that8

%

8%

of the population to be tested actually have Cancer.

Of those tested who do have cancer,90

%

90%

of them get an accurate test result of "Positive'' for cancer.

The other10

%

10%

get a false test result of "Negative'' for Cancer.

Of the people who do not have cancer,95

%

95%

of them get an accurate test result of "Negative'' for cancer.

The other5

%

5%

get a false test result of "Positive'' for cancer.

What is the conditional probability that I have cancer, if I get a "Negative'' test result for Cancer?

1 point

.

80

%

.80%

0.9

%

0.9%

88.2

%

88.2%

99.1

%

99.1%