Most medical tests are not completely accurate. For example, a microscopy test fortuberculosis comes out positive with probability 0.01 when the tested individual doesn'tactually have tuberculosis. It comes out negative with probability 0.2 when the testedindividual does have tuberculosis. Find the probability a randomly chosen individual will testpositive if the proportion of tuberculosis in the population is 0.31. Round your answer to fivedecimal places.

The given information can be written as follows:

Answered: Most medical tests are not completely…

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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Please walk through all steps used to appropriatly enter the data using TI-84 calculator?
A blood test for diabetes gives a positive result with a proportion of 0.44 when an individual has diabetes and a negative result with a proportion of 0.33 when they do not. Approximately a proportion of 0.14 of the population has diabetes. If a randomly chosen citizen tested negative, what is the probability that they actually have diabetes? Round your answer to five decimals.
Emma loves Butterfinger bars and recently ate a bar that only weighed 58 grams. Based on the distribution described to the left, what is the probability that a Butterfinger bar will weigh 58 grams or less?
If the probability that a professor correctly writes a slide is 0.80, what is the probability that at least 6 out of 8 slides are correct? Round your answer to two decimal places. Write your answer as a fraction not as a percentage (i.e. write as 0.38 not as 38%).
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At a used-book sale, 106 books are adult books and 150 are children's books. Of the adult books, 72 are nonfiction, while 65 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the books for the following. Round the answers to three decimal places. a. Fiction b. Not a children’s nonfiction book c. An adult book or a children’s nonfiction book
Random variables X and Y are independent. X Exp(X) with A > 0 and Y~U(0, 1). Determine the probability density function of Z =X/Y. O fz(2) = z (1 -e ) for -o < z<∞. O None of these. O fz(2) = z (1– e ) for z 2 0 and fz(z) = 0 otherwise. O fz(z) = 1 - e for z 2 0 and fz(z) = 0 otherwise. O fz(z) = z (1 -e ) for z 2 0 and fz(z) = 0 otherwise.
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
Kelly’s batting average is .30 (they hit 3 out of every 10 pitches). Let’s assume there are 120 pitches thrown in the first 8 games. !. There is a 70% chance they should hit at least how many pitches this season? Round down for this answer.
A blood test for diabetes gives a positive result with a proportion of 0.22 when an individual has diabetes and a negative result with a proportion of 0.11 when they do not. Approximately a proportion of 0.66 of the population has diabetes. If a randomly chosen citizen tested negative, what is the probability that they actually have diabetes? Round your answer to five decimals.
A poll showed that 54.6% of Americans say they believe that statistics teachers know the true meaning of life. What is the probability (in percent form) of randomly selecting someone who does not believe that statistics teachers know the true meaning of life.

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