A certain disease has an incidence rate of 0.7%. If the false negative rate is 7% and the false positive rate is 1%, compute the probability that a person who tests positive actually has the disease.

4 answers

A boy owns 4 pairs of pants, 8 shirts, 2 ties, and 2 jackets. How many different outfits can he wear to school if he must wear one of each item?
How many three-letter "words" can be made from 10 letters "FGHIJKLMNO" if repetition of letters not allowed
You own 18 CDs. You want to randomly arrange 6 of them in a CD rack. What is the probability that the rack ends up in alphabetical order?
Kyd and North are playing a game. Kyd selects one card from a standard 52-card deck. If Kyd selects a face card (Jack, Queen, or King), North pays him $6. If Kyd selects any other type of card, he pays North $2. A) What is Kyd's expected value for this game? Round your answer to the nearest cent. $ bb) What is North's expected value for this game? Round your answer to the nearest cent. $ c) Who has the advantage in this game?