A sociology teacher asked her students to completea survey at the beginning of the year. One surveyquestion asked, "How responsible are you?" Anotherquestion asked, "How many siblings do you have?"The probability that a student is responsible is 0.3,the probability that a student has 3 or more siblingsis 0.8 and the probability that a student isresponsible and has 3 or more siblings is 0.2.What is the probability that a randomly chosenstudent is responsible or has 3 or more siblings?

Answered: Image /qna-images/answer/2f0a6c2c-2c64-41ed-83b5-68978f97c588.jpg

Answered: A sociology teacher asked her students…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

a shelf has ten books: two mysteries, four romance novels, and four mathematics textbooks. if you select a book at random to take to the beach, what is the probability that it turns out to be a mathematics textbook?
JP got a bag full of colorful marbles. There were 35 of them: 8 orange, 6green, 4 blue, 5 red, and 12 yellow. After shaking the bag, she randomlyselected two marbles from the box. What’s the probability that the firstone was yellow and the second one was red?
At a peace summit, seven Hatfield and nine McCoy family members sit down for a meeting. If the Sheriff orders two randomly selected participants to shake hands at the end of the meeting, what is the probability that the two are from different families? NOTE: Along with the probability, explain the calculation used to find your answer.
In a class of 29 students, 9 play an instrument and 14 play a sport. There are 8 students who do not play an instrument or a sport. What is the probability that a student does not play an instrument given that they play a sport?
A certain math conference has 9495 attendees. Of these individuals, 6047 are college professors, and 4174 are female. Of the college professors, 3218 are female. What is the probability that a randomly selected attendee is female or a college professor? Answers should be decimals (not percentages) correct to three decimal places.
Suppose that we know 10 % of people do not like pizza. If you pick two people at random, what is the probability that the first one does not like pizza but the second one does like pizza? Give your answer as a decimal rounded to three decimal ploces. The probability is
In a class of 25 students, 9 play an instrument and 18 play a sport. There are 3 students who do not play an instrument or a sport. What is the probability that a student who plays an instrument also plays a sport?
When Shana looked at the favorites list on her boyfriend's smartphone, there were 10 songs she liked, 7 songs she'd heard but did not like, and 5 songs she hadn't heard. She let the phone pick a song at random. What is the probability that the selected song was one she liked or one she'd heard but did not like?
The probability that a homeowner owns a Blu-ray player is 0.50. The probability that a homeowner owns a wide-screen TV is 0.20. If a homeowner owns a wide-screen TV, the probability that they own a Blu-ray player is 0.70. What is the chance that a randomly selected homeowner owns both a wide-screen TV and a Blu-ray player?
You took a multiple-choice math test where there were 10 questions and each question had 4 answers to chose from (but only one of them was correct). What is the probability that you get exactly 9 correct? Be sure to identify your variables.
based on the results of a poll, the probability of a random person liking ice cream is 0.84. suppose you flip a fair coin and ask a random person if they like ice cream. what is the probality that the person likes ice cream and the coin shows heads?
Our class is creating a new academic team, the Data Managers. The team will have 4 members to perform different tasks: collector, analyser, grapher, and recorder. 10 people in class want to be on the team, so we pick a random team out of the 10. a. If exactly 4 boys volunteer, what is the probability that the team is all boys or no boys? Evaluate your answer. b. What is the probability that Student 1 and Student 2 are on the team? Evaluate your answer. c. With two teacher coaches, the team of four takes a picture (6 people in picture). What is the probability that the teachers are together in the picture? Evaluate your answer.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS