a. an inaccurate news article from TweetBook? b. from TweetBook if it is inaccurate?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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4.
Seventy percent of news articles that Juan consumes come from TweetBook
while the rest are from other sources. It is also known that 40% of the news articles are
inaccurate and that 20% of the news articles from TweetBook tend to be inaccurate. If a
news article is randomly selected, what is the probability that it is:
a. an inaccurate news article from TweetBook?
b. from TweetBook if it is inaccurate?
Transcribed Image Text:4. Seventy percent of news articles that Juan consumes come from TweetBook while the rest are from other sources. It is also known that 40% of the news articles are inaccurate and that 20% of the news articles from TweetBook tend to be inaccurate. If a news article is randomly selected, what is the probability that it is: a. an inaccurate news article from TweetBook? b. from TweetBook if it is inaccurate?
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