A marketing class polled 150 people at Hillgrove High School to determine how many have a Twitter account and how many have a Facebook account. They found the following: 1. 126 have a Twitter account, 95 have both, 10 have neither. A.
A marketing class polled 150 people at Hillgrove High School to determine how many have a Twitter account and how many have a Facebook account. They found the following: 1. 126 have a Twitter account, 95 have both, 10 have neither. 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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![1. A marketing class polled 150 people at Hillgrove High School to determine how many have a Twitter
account and how many have a Facebook account. They found the following:
126 have a Twitter account, 95 have both, 10 have neither.
A.
B. What is the probability that a person ONLY has a Twitter account?
C. P(has a Twitter OR a Facebook)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29bace58-d23d-4656-8f2e-4acb29175ebf%2F88793ee6-3c6a-45ec-9cad-d81e88470195%2Fdr3n5z_processed.png&w=3840&q=75)
Transcribed Image Text:1. A marketing class polled 150 people at Hillgrove High School to determine how many have a Twitter
account and how many have a Facebook account. They found the following:
126 have a Twitter account, 95 have both, 10 have neither.
A.
B. What is the probability that a person ONLY has a Twitter account?
C. P(has a Twitter OR a Facebook)?
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