# Question

It is believed that 3% of a clinic’s patients have cancer. A particular blood test yields a positive result for 98% of patients with cancer, but it also shows positive for 4% of patients who do not have cancer. One patient is chosen at random from the clinic’s patient list and is tested. What is the probability that if the test result is positive, the person actually has cancer?

## Answer to relevant Questions

Box 1 contains two red balls and three green balls, and Box 2 contains four red balls and one green ball. One ball is randomly selected from Box 1 and placed in Box 2. Then one ball is randomly selected from Box 2.What is ...The probability that a certain door is locked is 0.6. The key to the door is one of five unidentified keys hanging on a key rack. You randomly select two keys before approaching the door. What is the probability that you can ...Use either the random number table (Appendix B), a calculator, or a computer to simulate the random selection of 100 single-digit numbers, 0 through 9. a. List the 100 digits. b. Prepare a relative frequency distribution of ...A group of files in a medical clinic classifies the patients by gender and by type of diabetes (type 1 or type 2). The groupings may be shown as follows. The table gives the number in each classification. a. Display the ...Using a coin, perform the experiment discussed on pages 180–181. Toss a coin 10 times, observe the number of heads (or put 10 coins in a cup, shake and dump them into a box, and use each toss for a block of 10), and record ...Post your question

0