What is meant by a test result that is a false positive?

What is meant by a test result that is a false positive?
 a. You have the disease but the test results were negative.
  b. You don't have the disease but the test results were positive.
  c. You test positive for a different disease than the one they thought you had.
  d. None of the above.

Q. 2

Which probability is larger for a randomly selected woman from the general population: The probability of having breast cancer given that the woman has a positive mammogram, or the probability of a positive mammogram given that the woman has breast cancer?
 a. The probability of having breast cancer given that the woman has a positive mammogram.
  b. The probability of a positive mammogram given that the woman has breast cancer.
  c. The probabilities are the same.
  d. Not enough information to tell.

Q. 3

Which of the following is needed in order to determine the probability of a positive test result being accurate?
 a. The base rate.
  b. The sensitivity of the test.
  c. The specificity of the test.
  d. All of the above.

Q. 4

What is meant by the specificity' of a test for a certain disease?

Q. 5

What is meant by the sensitivity' of a test for a certain disease?

Q. 6

What two conditions cause a test to have a relatively high rate of false positives?

Q. 7

Explain what it means for a test result to be a false positive.