e following pie chart shows the percentage of the population that used the Internet in 2000, broken down further by family income, and based on a survey taken in August 2000. a) Determine the probability that a randomly chosen person was an Internet user, given that his or her family income was less than $35,000. b) Based on the data, was a person more likely to be an Internet user if his or her family income was less than $35,000 or $35,000 or more? By comparing: P(Internet user| < $35,000) = with P (Internet user| ≥ $35,000) = , it can be determined a person is more likely to be a

e following pie chart shows the percentage of the population that used the Internet in 2000, broken down further by family income, and based on a survey taken in August 2000. a) Determine the probability that a randomly chosen person was an Internet user, given that his or her family income was less than $35,000. b) Based on the data, was a person more likely to be an Internet user if his or her family income was less than $35,000 or $35,000 or more? By comparing: P(Internet user| < $35,000) = with P (Internet user| ≥ $35,000) = , it can be determined a person is more likely to be a

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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The U.S. Coast Guard maintains a database of the number, source, and location of oil spills in the U.S. navigable and territorial waters. The following is a probability distribution for location of oil spill events. [Source: Statistical Abstract of the United States.] Location Probability Atlantic Ocean 0.008 Pacific Ocean 0.037 Gulf of Mexico 0.233 Great Lakes 0.020 Other Lakes 0.002 Rivers and canals 0.366 Bays and sounds 0.146 Harbors 0.161 Other 0.027 If an oil spill is selected at random from the database, what is the probability: The oil spill occurred in an ocean? The oil spill occurred in a lake or harbor? The oil spill did not occur in a lake, ocean, river, or canal?
Use the following results from a test for marijuana use. Among 144 subjects with positive test results, there are 21 false positive results. Among 139 negative test results, there are 4 false negative results. a. How many subjects are included in the study? b. How many of the subjects had a true negative result? c. What is the probability that a randomly selected test subject had a true negative result?
The table lists the drinking habits of a group of college students. If a student is chosen at random, find the probability of getting someone who is women or a heavy drinker. Sex Non-Drinker Regular drinker Heavy Drinker Total Man 135 55 5 195 Woman 187 21 7 215 Total 322 76 12 410 Group of answer choices 0.932 0.151 0.537 0.815
Flights According to the Bureau of Transportation, 80.3% of American Airlines flights arrive on time. What is the probability of randomly selecting an American Airlines flight that does not arrive on time?
Select the correct choice below and fill in the answer boxes to complete your choice (Type integers or decimals. Do not round.) A. One can be % confident that the mean drive-through service time of Taco Bell is between seconds and seconds. B. The mean drive-through service time of Taco Bell is of the time. OC. There is a seconds OD. One can be Taco Bell is % % probability that the mean drive-through service time of Taco Bell is between seconds and seconds % confident that the mean drive-through service time of seconds
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In a standard deck of cards, what is the probability of drawing a face card? (Express your answer as a percentage or decimal)
As to the below Travel Expenses table published by the Students’ Union, 185 students were randomly selected to help understand the travel expenses and distance to campus. What’s the probability for Mike to spend over £10 on journeys to campus? Distance to Campus (miles) Amount spent, £ 0.1 to 0.25 0.26 to 1.0 Over 1.0 0 – 4.99 35 26 10 5.00 – 9.99 18 39 20 10.00+ 4 14 19 I have three answers and I am not sure which one is correct: a) 37/ 185 b) 19/ 185 c) 19/49 Please write which answer is correct and WHY... Thank you
Name the method of estimating probabilities based on experience or institution.
When drawing a single card from the deck what is the probability of getting a face card or a diamond, in percentage form
It is widely known that wage levels and real estate prices follow, i.e. that in areas where salaries are generally high, so are real estate prices and vice versa. The table below shows the distribution of people according to their salary level and the real estate price where they live. a. According to the table, what percentage of people have a high salary level? b.What is the probability that a person with a low salary lives in an area with high real estate prices? c. What is the probability that a person living in an area with high real estate prices has a low salary?