In a class of students, the following datatable summarizes how many students passeda test and complete the homework due theday of the test. What is the probability that astudent chosen randomly from the class didnot complete the homework?Completed thehomeworkDid not complete thehomeworkPassed the Failed thetesttest11273

Answered: Image /qna-images/answer/cb2b42e2-da0b-4da0-ad23-ba1a0653ad8b.jpg

Answered: In a class of students, the following…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male Female Total Smokes 87 74 161 Doesn't smoke 22 17 39 Total 109 91 200 If a person is selected at random, what is the probability that the person is a male or a smoker? 0.423 0.915 1.785 correct answer is not given
The CDC did a study on various ways to quit smoking. The results of the study are shown below. Nicotine Gum Nicotine Patch Nicotine Inhaler Still Smoking 191 263 95 Quit Smoking 59 57 27 Suppose a person in the study is chosen randomly. What is the probability that the person was still smoking at the end of the study?
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Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a purchase was 0.45 if a person used a cell phone to shop. For a randomly selected shoppers, what is the probability that the person used a cell phone and made a purchase?
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Internet Doctors: Assume that 55% of adults learn about medical symptoms more often from the Internet than from their doctor. a. Find the probability that three randomly selected adults all learn about medical symptoms more often from the Internet than from their doctor. b. Find the probability that when three adults are randomly selected, at least one of them learns about medical symptoms more often from the Internet than from their doctor.
Solve the last question.
In a class of students, the following data table summarizes how many students passed a test and complete the homework due the day of the test. What is the probability that a student chosen randomly from the class did not complete the homework? Passed the test Failed the test Completed the homework 11 7 Did not complete the homework Answer: Submit Answer attempt 4 out of 4 problem 1 out of max 1
In a class of students, the following data table summarizes how many students have a cat or a dog. What is the probability that a student chosen randomly from the class does not have a cat or a dog? Has a dog Does not have a dog Has a cat 9 6 Does not have a cat 2 11
An IQ test contains (20) multiple choice questions. You have to answer all of these questions knowing that the pass grade for this test is to answer (10) or more questions correctly. Assume that you will answer the questions randomly and the probability for answering each question correctly is (0.6).A. What is the probability that you will pass the test?B. What is the probability that you will answer all questions correctly?C. What is the probability that you will answer all questions wrongly?D. What is the probability that you will answer at most three questions wrongly?E. What is the probability that you will answer at least three questions correctly?F. What is the probability that you will answer the first three questions correctly?G. What is the probability that you will answer only the first three questions correctly?
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50 % of this population prefers the color black. If 16 buyers are randomly selected, what is the probability that less than 12 buyers would prefer black? Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcuts
A baseball player attempts 25 shots from the field during a game. This player generally hits about 33% of these shots. What is the probability of this player hiting more than 13 shots (13,14,15,..., or 25)?

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