What is the probability that person really has the disease

Assignment Help Econometrics

Reference no: EM131162851

Suppose that a medical test has a 92% chance of detecting a disease if the person has it (i.e., 92% sensi- tivity) and a 94% chance of correctly indicating that the disease is absent if the person really does not have the disease (i.e., 94% specificity). Suppose 10% of the popu- lation has the disease.

(a) What is the probability that a randomly chosen person will test positive?

(b) Suppose that a randomly chosen person does test positive. What is the probability that this person really has the disease?

Reference no: EM131162851

Questions Cloud

Find the probability that both chosen students are women : In a certain college, 55% of the students are women. Suppose we take a sample of two students.

Why might the hopewell have constructed their roads : What health consequences happened when Hernando de Soto met the mound builders? What type of environment did the Hohokam live in and how did they survive there? Which culture built Snaketown?

Probability that a randomly chosen child will have disease : Further suppose that 51.3% of births are male. What is the probability that a randomly chosen child will be affected by the disease?

Formulate the problem as a linear-programming problem : During each quarter, the company loses 15% of its personnel (including secretaries trained in the previous quarter). Formulate the problem as a linear-programming problem.

What is the probability that person really has the disease : Suppose that a randomly chosen person does test positive. What is the probability that this person really has the disease?

Formulate a linear program to maximize video comps capacity : Formulate a linear program to maximize Video comp's productive capacity at the end of two years using eight planning periods of three months' duration each.

Do you agree with shaw claim or do you find it exaggerated : The famous Irish writer, George Bernard Shaw, once claimed that English spelling is so chaotic that ghoti could be pronounced "fish." (‘gh' is sometimes pronounced ‘f' as in "cough", ‘t' can sound like ‘sh' in "notion", etc.) Do you agree with Sha..

Fit a binomial distribution to the observed data : Interpret the relationship between the observed and expected frequencies. Do the data cast suspicion on the classical assumption?

Develop a change management strategy : Task: Develop a change management strategy, It is the end of the 2011 financial year. You are an external change management consultant employed by Fast Track Couriers. You have been asked by the General Manager to develop a change management strate..

User Account

All Pages