Question 6A test has been devised to determine an individual in the population has a flu A which is affecting30% of the population. If an individual does has the flu A the test will confirm this in 90% of allinstances. If an individual does not have flu A the test will confirm this in 80% of all instances. Whatis the probability an individual tests positive for flu A?41%27%14%65.8%

It is given that, the test has determined that an individual in the population has a flu A which is…

Answered: A test has been devised to determine an…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A survey of all medium- and large-sized corporations showed that 65% of them offer retirement plans to their employees. Let be the proportion in a random sample of such corporations that offer retirement plans to their employees. Find the probability that the value of p will be between 0.58 and 0.62.
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The ebola virus has an incidence rate of 15%. If the false negative is 25% and the following false positive is 30%, then find what is the conditionsl probability of an individual not having ebola, given they received a negative test result? a. 0.97 b. 0.91 c. 0.94 d. 0.88
The ebola virus has an incidence rate of 15%. If the false negative is 25% and the following false positive is 30%, then find what is the conditional probability of an individual not having ebola, given they received a negative test result? a. 0.97 b. 0.91 c. 0.94 d. 0.88
Sixty percent of clowns aren’t funny. If you randomly encounter three different clowns, what is the probability that none of them are funny?
Food allergies affect an estimated 7% of children under age 5 in the US. What is the probability that in a kindergarden class of 12 kids under age 5 at least one of them has food allergies?
Disco Fever is randomly found in one half of one percent of the general population. Testing a swatch of clothing for the presence of polyester is 99% effective in detecting the presence of this disease. The test also yields a false positive in 4% of the cases where the disease is not present. What is the probability that the disease is absent if the test result is negative?
The Centers for Disease Control and Prevention reports that 25%of baby boys 6−8 months old in the United States weigh more than 20 pounds. A sample of 16 babies is studied. What is the probability that more than 6 weigh more than 20pounds?
Empirical evidence suggests that 25% of Florida drivers are uninsured. If four random Florida drivers are involved in an accident, what is the probability that more than one of them are uninsured?
An assembly line produces a tool. The parts are independently sampled one at a time and tested for compliance. Historically, 0.15 of the parts have been found to be non-compliant. What is the probability that the 6th sampled part will be the 3rd part found to be non-compliant?

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