Suppose a researcher determined that 34.7% of people 18–34 years old in the United States have a college degree. She alsofinds that, among alI Americans 18-34 years old, 6.7% have a college degree and live at home with their parents, whereas23.4% do not have a college degree and live at home with their parents.Label each branch of the following tree diagram with the correct probability value.EducationalattainmentLivingarrangementLives at homewith parents0.067Has acollege degree0.933Other livingarrangement0.347Lives at homewith parents0.6530.234Does not have acollege degreeOther living0.766arrangementAnswer Bank0.3580.1930.6420.807

34.7% have degree, Now probability : P(has college degree) = 0.347 P(doesn't have college degree) =…

Answered: Suppose a researcher determined that…

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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According to the U.S. Census Bureau, 42.8% of U.S. households connected to the Internet using a cable modem in 2013, while 33.1% used mobile broadband, 21.2% of households used DSL, and only 1.0% of households used a dial-up connection. No Internet connection was present in 25.6% of homes. What is the probability that a randomly selected household had either a cable modem or mobile broadband? Which answer choice is correct? a.) 9.7% b.) 14.2% c.) 75.9% d.) Cannot be determined
according to study, 75% of K-12 schools or districts in a county use digital contents such as ebooks, audio books, and digital textbooks. of these 75%, 12 out 20 use digital contents as part of their curriculum. find probability that a randomly selected school or disrtict used digital content and used it as part of their curriculum.
In 2000, 86% of all Caucasians in the United States, 77% of all African-Americans, 77% of all Hispanics, and 85% of residents not classified into one of these groups used the Internet for e-mail. At that time, the U.S. population was 69% Caucasian, 12% African-American, and 13% Hispanic. What is the probability that at that time a randomly chosen U.S. resident used Internet for e-mail?
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Every year, the veterinary hospital at a major research university treats a number of horses that have stones called enteroliths in their guts. A sample of 20 years shows that on average about 2% of horses presenting at the veterinary hospital are treated for enteroliths. Some breeds of horses seem more prone to developing enteroliths than others. Below is a table with the distribution of enteroliths among the breeds. Breed Fijian Thoroughbred Morgan Quarter horse Probability 0.4 0.2 0.3 The probability that a horse arriving at the veterinary hospital is not a Fijian,Thorougbred, or a Quarter horse is:
A sample of 200 college undergraduates was collected and the student’s gender and method of getting to class that day were collected. The data appears below. Gender Drive Bike Walk Total Male 95 10 10 115 Female 65 5 15 85 Total 160 15 25 200 Given that a randomly selected student walked to class, what is the probability that the student is female? Group of answer choices 15/85 85/200 15/200 15/25 10/25
Assume that 30% of university students in UK had the experience of using LinkedIn. If we randomly ask 8 university students about their experience of using LinkedIn, what is the probability that: a. at least two had the experience? b. none had such experience?
If P(A) = 0.52, P(B) = 0.45 and P(A u B) = 0.76, then P(B | A) = (Enter a number between 0 and 1, using two decimal points)
A shipment of 8 parcels to a production company which contains 3 that are damaged. If the manufacturer randomly purchased 2 out of the 8 parcels, what is the probability for the damaged parcels and construct a cumulative probability distribution.
Golden Years Insurance is an insurance company. Golden Years Insurance wants to predict the probability of a senior citizen in the city of McDonald, Pa. having supplemental health insurance. Records from another city, Yellow, Pa. indicate that 703 of 3,000 senior citizens own supplemental health insurance. Golden Years Insurance company estimates the probability that a randomly selected male senior citizen owning supplemental health insurance is 0.45. Does this imply that the probability that a randomly selected female senior citizen owning supplemental health insurance is 0.55? Explain.
Approximately 90% of all people are night-handed. Consider a grouping of ten people. What is the probability that 4 of them will be right handed ?
A study of consumer smoking habits includes 200 people in the 18-22 age bracket (40 of whom smoke), 130 people in the 23-30 age bracket (31 of whom smoke), 100 people in the 31-40 age bracket (30 of whom smoke). If one person is randomly selected from this sample find the probability of getting someone who was isage 18 to 22 or smokes. A. 0.593 B.0.695 C.0.468 D.0.607

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