What is the positive predictive value of the test

Assignment Help Other Subject

Reference no: EM13298081

The faculty and staff at Dana-Farber Cancer Institute in Boston are required to undergo a tuberculosis test each year. Use the following table to answer each question.

TEST RESULTS

POSITIVE: TB= 4995, NO TB= 99, 950, TOTAL= 104,945

NEGATIVE: TB= 5, NO TB= 9, 895, 050, TOTAL= 9, 895, 055

TOTAL: TB= 5000, NO TB= 9,995,000, TOTAL= 10, 000,000

a.) If Dana-Farber faculty or staff worker goes in for a TB test, what is the chance of him/her getting a postive test result?

b.) What is the positive predictive value of the test?

Reference no: EM13298081

Questions Cloud

Find what is the depreciation charges expect on the laptop : A laptop has a four year life span with an initial cost of $900 and $100 salvage value. According to the straight line method what is the depreciation charges you expect on the laptop

Search for an event that led to the formation of a social : Search for an event that led to the formation of a social policy.

What is probability that more than people will participate : Suppose 500 people are approched outside of a grocery store to answer some survey questions. If each person decides independently whether or not to participate, and each has a probability of 0.1 of participating

Compute the angle of the total acceleration : A train is rounding a circular curve whose radius is 200 m. At one instant, the train has an angular acceleration of .0015 rad/s2, Determine the angle of the total acceleration relative to the radial direction

What is the positive predictive value of the test : The faculty and staff at Dana-Farber Cancer Institute in Boston are required to undergo a tuberculosis test each year. Use the following table to answer each question.

Explain a gaseous mixture of no2 and n2o4 is in equilibrium : A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of NO2 is 8.1*10-4 M what is the concentration of N2O4

Determine what is the height of the pure water column : a closed tank contains two straified non misicble fluid layers and compressed air. the fluid of the tank is saline water (relative density 1.036) with a total depth of 3.5m. the top fluid layer is oil (relative density of 08.2) with a depth of 0.6..

Determine the solubility of agi in nh3 : Find the solubility of AgI in 2.5 M NH3 (Ksp of AgI = 8.3x10^-17 and Kf of Ag(NH3)^2+ = 1.7X10^7)

What frequency is heard on the helicopter : Assume the sound speed in air is 343 m/s. A parachutist leaps from a hovering helicopter and after 3.1s of free fall shouts back toward the helicopter

User Account

All Pages