Question: The screening facility can process 1,000 people each week. Assume you are attempting early detection of a disease with a prevalence of 2%, the test

The screening facility can process 1,000 people each week. Assume you are attempting early detection of a disease with a prevalence of 2%, the test has a sensitivity of 95%, and a specificity of 90%.

a.How many of the people screened in a week will test positive

b. Of those who test positive, in how many will the results be truly positive and in how many will the results be truly negative?

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!

On Halloween night a 6-foot tall 12-year-old boy decided to dress up as a bank robber. His costume consisted of a ski mask and a toy gun. He went to numerous homes, and when the homeowner answered...

Identify the process evaluation article that you chose and explain why you selected this example. Describe the purpose of the evaluation, the informants, the questions asked, and the results of the...

Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...

If we draw 100 numbers from N(50, 20), using the empirical rule, we expect how many of these numbers to be between 30 and 70?

A screening facility in Ghana is able to process 11,000 people each week. Assume you are attempting early detection of malaria with a prevalence of 5%, the test has a sensitivity of 94%, and a...

PHC 6000 Epidemiology for Public Health Professionals PROBLEM SET # 2 (PLEASE SHOW-ALL WORK TO GET ANY CREDIT) Questions 1-3 are based on the following information: The death rate per 100,000 for...

Your screening facility can process 1,000 persons per week. Assume you are attempting the early detection of a disease with a prevalence of 2%, and that your test has a sensitivity of 95% and a...

Charles R Drew University Mervyn M. Dymally (MMD) School of Nursing NUR 627: Advanced Epidemiology and Biostatistics for Nursing FALL Semester, 2016 Assignment 1 Due OCTOBER 14 2016 Please save the...

need help on stats 243 project Project Conditional (non independent) Probability COMID's been pushing us around for (as write this just about 2 years. And I know that we're all sick as hell of...

Journal of Autism and Developmental Disorders, Vol. 32, No. 3, June 2002 ( 2002) Descriptive Epidemiology of Autism in a California Population: Who Is at Risk? Lisa A. Croen,1,3 Judith K. Grether,1...

1. What is the justification for assuming 72 colon cancers per 10,000 people? (Show your calculation.) 2. What is the justification for assuming a single guaiac test can correctly detect 91.66% of...

Refer to the distribution of centipedes given in Exercise 3.S.2. Suppose five squares are chosen at random. Find the probability that three of the squares contain centipedes and two do not. Exercise...

At the beginning of 2016, Emily Corporation issued 17,000 shares of $100 par, 6%, cumulative, preferred stock for $110 per share. No dividends have been paid to preferred or common shareholders. What...

Use a CASE statement to display the day of the week if the variable DAY has a whole number value between 1 and 7 inclusive and an error message otherwise.

Calculate the holding period return for the following two investment alternatives. Which, if any, of the return components is likely not to be realized if you continue to hold each of the investments...

Given a real rate of interest of 2%, an expected inflation premium of 3%, and risk premiums for investments A and B of 4% and 6%, respectively, find the following. a. The risk-free rate of return, rf...

Explain briefly why there are two different versions of the t test on the SPSS printout, and how you decide which one is more appropriate.

Consider the historical data for an investment given in the accompanying table. a. Calculate the total return (in dollars) for each year. b. Indicate the level of return you would expect in 2015 and...

Design a minimum-mass symmetric three-bar truss (the area of member 1 and that of member 3 are the same) to support a load P, as was shown in Fig. 2.9. The following notation may be used: Pu = P cos...

Determine and explain the shape of the distribution

Which category contains the 90th percentile?

Construct quartiles for weeks worked last year. What is the 25th percentile? The 50th percentile? The 75th percentile? Why dont you need to calculate the 50th percentile to answer this question?