A new device is developed for the diagnosis of breast cancer. Among 1000 women who are known to have breast cancer, 800 use the device and test positive. Among 1000 other women who are known to not have breast cancer, 900 use the device and test negative.

3.1 [4 pts] Complete the table below using the information given in the problem.

Test Results	Breast Cancer Status
	Yes	No	Total
Positive
Negative
Total

3.2 [4 pts] Calculate sensitivity, specificity, PPN, NPV and interpret each of them based on your result.