A patient due to receive a blood transfusion is very concerned that the HIV screening test indicating a negative result is really in error. Which statistic could you report to reassure them that there is a small chance of error?

a. the test has an incidence of .02% in the population

b. the test has a prevalence of 2% in the population

c. the test has a specificity of 96.9%

d. the test has a sensitivity of 69.9%

e. the test has a p-value <.05