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A study of dorm rooms on a large college campus revealed that 42% had refrigerators, 56% had TVs, and 26% had both a TV and a refrigerator. What is the probability that a randomly selected dorm room has a TV, given that it has a refrigerator? O 1.6154 O 2.1538 0.26 0.4643

A study of dorm rooms on a large college campus revealed that 42% had refrigerators, 56% had TVs, and 26% had both a TV and a refrigerator. What is the probability that a randomly selected dorm room has a TV, given that it has a refrigerator? O 1.6154 O 2.1538 0.26 0.4643

Elements Of Modern Algebra
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.7: Introduction To Coding Theory (optional)
Problem 7E
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A study of dorm rooms on a large college campus revealed that 42% had refrigerators, 56% had TVs, and 26% had both a TV and a refrigerator. What is the probability that a randomly selected dorm room has a TV, given that it has a refrigerator? O 1.6154 O 2.1538 0.26 0.4643 O 0.6190 The San Luis Obispo Telegram-Tribune (December 18, 1992) reported that for the 1992 season, the average (mean) major-league baseball salary was just over $1 million, whereas only 267 of the 772 players made at least this much money. What does this imply about the median salary (relative to the mean) and the shape of a histogram of the salaries?
Transcribed Image Text:A study of dorm rooms on a large college campus revealed that 42% had refrigerators, 56% had TVs, and 26% had both a TV and a refrigerator. What is the probability that a randomly selected dorm room has a TV, given that it has a refrigerator? O 1.6154 O 2.1538 0.26 0.4643 O 0.6190 The San Luis Obispo Telegram-Tribune (December 18, 1992) reported that for the 1992 season, the average (mean) major-league baseball salary was just over $1 million, whereas only 267 of the 772 players made at least this much money. What does this imply about the median salary (relative to the mean) and the shape of a histogram of the salaries?
Expert Solution
Step 1

Given that :

A represents the refrigerator 

B represents the T. V. 

P(A) = 42% ;  p(B) = 56% 

P( A& B) = 36 % 

By using conditional probability rule.. 

 

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