In a survey of radio listeners a sample of 60 was taken. Each person was asked whichradio station he or she listened to most. The results are tabulated:FEMALESMALESSTATION UNDER 25OVER 25UNDER 25 OVER 25BE33816161414A person is chosen at random from this sample. Determine the probability that this personis under 25. given that the person listens most to X.0.3667O 0.1071O 0.75890.6875

Answered: Image /qna-images/answer/6645500b-021e-4ccf-be1c-7b753b97c536.jpg

Answered: In a survey of radio listeners a sample…

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 spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is spun several times, and the results are recorded below: Spinner Results Color Frequency Red 3 Blue 2 Green 14 Yellow 13 Purple 7 Based on these results, express the probability that the next spin will land on red as a percent to the nearest whole number.
Based on a poll , among adults who regret getting tattoos, 70% say that they were too young when they got their tattoos . Assume that four adults who regret getting tattoos are randomly selected , and find the indicated probability. Find the probability that all of the selected adults say that they were too young to get tattoos Type your answer here:
100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? Enter the exact answer, or round the answer to three decimal places No 46 28 74 Total 60 40 100
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The table below shows the results of a survey that asked the involvement of a person in a charity work. The person’s gender and response were recorded. Find the probability of selecting a female who never volunteers a.0.29 b.0.57 c.0.51 d.0,49
Click to see additional instructions Suppose that unknown to a geneticist, there are 6 out of 12 genes that play a significant role in developing skin cancer. If the geneticist randomly samples 5 of these 12 genes and studies them, the probability that he will have sampled more than 4 skin cancer related genes is Note: Provide your answer in three decimal points e.g. 0.001 Previous NEXT Save
100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? Enter the exact answer, or round the answer to three decimal places No 46 28 74 Total 60 40 100
Suppose that a screening test diagnoses 90% of sick people positive and 90% of healthy people negative. Assume that 15% of those screened are sick. If a screened person is chosen at random, then the probability of having a negative diagnosis is: O a. 0.78 b. 0.0192 C. 0.981 O d. 0.109 O e. 0.22
A poll showed that 44.5% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Probability = % (Please round your answer to one decimal place.) %3D Submit Question 17,123 NOV 1 16 tv MacBook Air 80 888 F3 F4 F5 F6 F7
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A poll asked people with and without children under 18 years old if they frequently experienced stress. The results are shown in the accompanying table. Complete parts (a) through (c) below. Frequently Experience Stress Yes No Total With child under 296 234 530 18 уears No child under 196 314 510 18 years Total 492 548 1040 a. Find the probability that a randomly chosen person from this group said "Yes," given that the person has a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) b. Find the probability that a randomly chosen person from this group said "Yes," given that the person does not have a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) c. Find the probability that a randomly chosen person from this group said "Yes" or had a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.)
use the following information to answer the question. Suppose that the probability that a person books a hotel using an online travel website is 0.68. For the questions that follow, consider a sample of 15 randomly selected people who recently booked a hotel. out of 15 randomly selected people, how many would you expect to use an online travel website to book their hotel, give or take how many? Round to the nearest whole person

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