From a survey involving 1,000 university students, a market research company found that 800 students owned laptops, 430 owned cars, and 330 owned cars and laptops. If a universitystudent is selected at random, what is each (empirical) probability?(A) The student owns either a car or a laptop(B) The student owns neither a car nor a laptop(A) The (empirical) probability that the student owns either a car or a laptop is.(Type an integer or a decimal.)an example Get more help.3#20 F3$4000D00F4%5MacBook Air -A6F6&7◄◄F7..*8► 11F89F9CClear allF10Check answerFIBOE+

Answer:- Given, Total number of University students, n(S) = 1000 Number of students owned laptops,…

Answered: From a survey involving 1,000…

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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In a survey of 1223 U.S. adults, 474 said that they were very confident in the nutritional information on restaurant menus. Four U.S. adults are chosen at random without replacement. What is the probability that at least one of the four adults is very confident in nutritional information? Answers should be decimals (not percentages) correct to three decimal places.
Researchers sampled 165 young women who recently participated in a STEM program. Of the 165 STEM participants, 103 were in urban areas, 51 in suburban areas, and 11 in rural areas. If one of the participants is selected at random, what is the probability that she is from an urban area? Not a rural area? The probability that she is from an urban area is (Round to three decimal places as needed.)
2. According to a survey taken by an agency in a rural area, it has been observed that 75% of population treats diseases through self-medication without consulting a physician. Among the 12 residents surveyed on a particular day, find the probability that, (a) At least two of them treat diseases through self-medication without consulting a physician. (b) Exactly 10 of them consults physician before taking medication. (c) None of them consults physician before taking medication. (d) Less than 10 residents consult physician before taking medication. (e) All of them treat diseases through self-medication without consulting a physician.
about 7% of the population of a large country is nervous around strangers. If two people are randomly selected , what is the probability both are nervou saround strangers? what is the probability at least one person is nervous around stranger?
A survey of athletes at a high school is conducted, and the following facts are discovered: 49% of the athletes are football players, 22% are basketball players, and 11% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that they are either a football player or a basketball player?Enter your answer as a percentage
During a study of auto accidents, the Highway Safety Council found that 60 percent of all accidents occur at night, 52 percent are alcohol-related, and 37 percent occur at night and are alcohol-related. (a) What is the probability that an accident was alcohol-related, given that it occurred at night? (b) What is the probability that an accident occurred at night given that it was alcohol-related?
The admissions office of a private university released the following data for the preceding academic year: From a pool of 4200 male applicants, 30% were accepted by the university, and 30% of these subsequently enrolled. Additionally, from a pool of 3300 female applicants, 35% were accepted by the university, and 30% of these subsequently enrolled. What is the probability of each of the following? (a) A male applicant will be accepted by and subsequently will enroll in the university? (b) A student who applies for admissions will be accepted by the university? (c) A student who applies for admission will be accepted by the university and subsequently will enroll?
In Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal. You are scheduled to give a talk at a local scuba club in Honolulu and want to include a brief statistical profile regarding the most recent eight shark attacks, all of which were nonfatal. Let r be the number of nonfatal attacks out of a random sample of eight shark attacks. So, what is the probability that five or more of the eight shark attacks are nonfatal? (Round your answer to three decimal places.)
A company ran a clinical trial of a new drug. 781 volunteers participated in the study. Of these participants, 462 indicated that the drug helped relieve their symptoms. Assume that the efficacy of the drug is the same for any group of people with these symptoms. If we were to administer this drug to a random sample of 6 individuals with symptoms, what is the probability that .. the drug relieves symptoms for all of them? .. the drug fails to relieve symptoms for at least one of them? the drug relieves symptoms for exactly 2 of them? (round to four decimal places)
A quality control engineer inspects a random sample of three batteries from a lot of 30 car batteries, which are ready to be shipped. If such a lot contains ten batteries with slight defects, what then is the probability that the inspector’s sample contains i. No batteries with slight defects? ii.At least one of the batteries with slight defects? Engineering Subject= Applied Statistic
A survey of athletes at a high school is conducted, and the following facts are discovered: 64% of the athletes are football players, 25% are basketball players, and 6% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that they are either a football player or a basketball player? Enter your answer as a percentage. %
In a survey to determine the opinions of Americans on health insurers, 400 baby boomers and 600 pre-boomers were asked this question: Do you believe that insurers are very responsible for high health costs? Of the baby boomers, 224 answered in the affirmative, whereas 210 of the pre-boomers answered in the affirmative. If a respondent chosen at random from those surveyed answered the question in the affirmative, what is the probability that he or she is a baby boomer? A pre-boomer? (Round your answers to two decimal places.) baby boomer pre-boomer

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