Question: 9. [10 marks] One in 5000 individuals in a certain population has the human immunodeciency virus (HIV). A test for the virus is devised and

9. [10 marks] One in 5000 individuals in a certain population has the human immunodeciency virus (HIV). A test for the virus is devised and the result of the test is either + or suggesting respectively the presence or absence of the virus. Clinical trials conrm the test to be 99% correct so that P[+ | H] = .99 = P[ | H 0] where H and HC represent respectively presence and absence of the virus. A) What is the probability that a person with HIV gets a negative response to the test. B) What is the probability that a person who gets a + on the test, has HIV. C) The 'false positive' situation is one in which a person who gets a + in the test is in fact HIV free. Calculate this probability and explain why it is so high

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

French Fragrances, Ltd. budgeted for 12,000 bottles of perfume Belle during May. The unit cost of Belle was $20, consisting of direct materials, $7; direct labor, $8; and factory overhead, $5 (fixed,...

9. [10 marks] One in 5000 individuals in a certain population has the human immunodeficiency virus (HIV). A test for the virus is devised and the result of the test is either + or - suggesting...

9. [1|] marks] l[lne in Eiflfl individuals; in a certain population has the hinnan immunodeciency virus {HIV}. A. test for the virus is devised and the result of the test is either + or suggesting...

CHAPTER 3 Population and Disease Patterns and Trends Stephen J. Williams CHAPTER TOPICS Need, Demand, and Utilization W I L S O N , LEARNING OBJECTIVES Upon completing this chapter, the reader should...

Not A \"Pioneer\" But Recognize New Market Requirements? January 2012 CMS recently named 32 Pioneer ACOs and has begun funding Innovation Grants to help prepare for new models of care delivery....

Nee some help with my Legal Business class... Read the Casarez v. Sierra Medical Center case. Should the court have expanded Dr. Vasquez' duty of care? Why or Why not? Page 1 LexisNexis 1 of 250...

Business Law: Read the Casarez v. Sierra Medical Center case. Should the court have expanded Dr. Vasquez' duty of care? Why or Why not? Page 1 LexisNexis 1 of 250 DOCUMENTS RAYMOND CASAREZ,...

HLTH 349 ARTICLE REVIEW 2 INSTRUCTIONS This assignment is based upon the article \"Free to Choose but Liable for the Consequences: Should Non-Vaccinators Be Penalized for the Harm They Do?,\" found...

What major capital allocation decisions did Gilead make between 2014 and 2020? Do you believe these were wise decisions? If so, why? If you believe that they were unwise , what other options would...

Neehr Perfect Activity: Classifications and Terminology Overview This activity has been developed for the intermediate and advanced EHR user. It explores classification and terminology systems and...

I would like to get step by step calculation on each ratio (answered already provided), please refer to the attached Celgene and Gilead financial statement. Thank you. Students' Name: Ashley Tallman...

An ideal-gas mixture consists of 3 kg of Ar and 6 kg of CO2 gases. The mixture is now heated at constant volume from 250 K to 350 K. The amount of heat transfer is (a) 374 kJ (b) 436 kJ (c) 488 kJ...

Compute estimated profit in 1 year if XYZ sells a call option with a strike of $0.95, $1.00, or $1.05. Draw a graph of profit in each case.

1 9 . Supernormal Growth [ LO 1 ] Theegala Corp. is experiencing rapid growth. Dividends are expected to grow at 2 5 percent per year during the next three years, 1 5 percent over the following year,...

One solution of the differential equation y"+9y=0 is y1= cos 3x use the method of reduction order let y =uy1 A. Y = xcos 3x B. Y = sin 3x C. Y = e^-3x D. Y = cos 3x E. Y = e^3x

Financial information for American Eagle is presented in Appendix A at the end of the book. Required: 1. For the most recent year, what is the amount of inventory in the balance sheet? What does this...

Your firm has just issued five-year floating-rate notes indexed to six-month U.S. dollar LIBOR plus 1/4%. What is the amount of the first coupon payment your firm will pay per U.S. $1,000 of face...

Consider 8.5 percent Swiss franc/U.S. dollar dual-currency bonds that pay $666.67 at maturity per SF1,000 of par value. It sells at par. What is the implicit SF/$ exchange rate at maturity? Will the...

Consider a three-year R1 par Treasury bond with a 7.5% annual yield and 8% semiannual coupon. Its price is R1.0132. A futures contract calling for delivery of this bond only expires in one year. The...

13. The critical path for the network activities shown below is ________ with duration ________. Activity Duration Immediate Predecessors A 4 B 1 A C 7 D 1 A E 3 B, C, D A. A-B-C-D-E; 16 B. B-C-D; 9...

3. How can rumours about someone contribute to creating the behaviour we expect him / her to have? Use examples from your own everyday life.

2. How can the expectations we have of a person contribute to the image we have of him / her? Give some examples from your own everyday life.

9. Discuss the statement: If the actors mainly act on the basis of a view of human-ity as driven by self-interest, and incorporate this idea into their models, they may end up with their premises...