Note: Make a tree diagram for the following questions Officials at the suicide prevention center know that 5% of all people who phone their hotline actuallyattempt suicide. A psychologist has devised a quick and simple verbal test to help identify those callerswho will actually attempt suicide. She found thata. 80% of the people who will attempt suicide have a positive score on this test;b. but only 5% of those who will not attempt suicide have a positive score on this test.If you get a positive identification from a caller on this test, what is the probability that hewould actually attempt suicide?Many diagnostic tests for detecting diseases do not test for the disease directly but for a chemical orbiological product of the disease, hence are not perfectly reliable. The sensitivity of a test is theprobability that the test will be positive when administered to a person who has the disease. The higherthe sensitivity, the greater the detection rate and the lower the false negative rate. Suppose thesensitivity of a diagnostic procedure to test whether a person has a particular disease is 85%. A personwho actually has the disease is tested for it using this procedure by two independent laboratories.• The probability that both test results will be positive isThe probability that at least one of the two test results will be positive

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Officials at the suicide prevention center know that 5% of all people who phone their hotline actually attempt suicide. A psychologist has devised a quick and simple verbal test to help identify those callers who will actually attempt suicide. She found that a. 80% of the people who will attempt suicide have a positive score on this test; b. but only 5% of those who will not attempt suicide have a positive score on this test. If you get a positive identification from a caller on this test, what is the probability that he would actually attempt suicide?

Officials at the suicide prevention center know that 5% of all people who phone their hotline actually attempt suicide. A psychologist has devised a quick and simple verbal test to help identify those callers who will actually attempt suicide. She found that a. 80% of the people who will attempt suicide have a positive score on this test; b. but only 5% of those who will not attempt suicide have a positive score on this test. If you get a positive identification from a caller on this test, what is the probability that he would actually attempt suicide?

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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