**Transcription for Educational Website:**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 **Diagram A:** A Venn diagram is illustrated with two overlapping circles. The left circle represents Twitter accounts, and the right circle represents Facebook accounts. The overlapping area symbolizes those who have both types of accounts.**Questions:**B. What is the probability that a person **ONLY** has a Twitter account? _______C. P(has a Twitter **OR** a Facebook)? _______

Answered: Image /qna-images/answer/88793ee6-3c6a-45ec-9cad-d81e88470195.jpg

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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**Transcription for Educational Website:**

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

**Diagram A:**

A Venn diagram is illustrated with two overlapping circles. The left circle represents Twitter accounts, and the right circle represents Facebook accounts. The overlapping area symbolizes those who have both types of accounts.

**Questions:**

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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