A survey asked 500 people about their magazine-reading habits. It found that in the past year, 210 people had read People magazine or National Geographic magazine, 220 had read Time magazine, 150 had read People, 90 had read Time and People, 40 had read People and National Geographic, 70 had read Time and National Geographic, and 30 had read all three. a.) Draw a complete Venn diagram representing this information b.) If someone is selected at random from those surveyed, what is the probability that they read exactly two of the three magazines in the past year?
A survey asked 500 people about their magazine-reading habits. It found that in the past year, 210 people had read People magazine or National Geographic magazine, 220 had read Time magazine, 150 had read People, 90 had read Time and People, 40 had read People and National Geographic, 70 had read Time and National Geographic, and 30 had read all three. a.) Draw a complete Venn diagram representing this information b.) If someone is selected at random from those surveyed, what is the probability that they read exactly two of the three magazines in the past year?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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A survey asked 500 people about their magazine-reading habits. It found that in the past year,
210 people had read People magazine or National Geographic magazine, 220 had read Time
magazine, 150 had read People, 90 had read Time and People, 40 had read People and National
Geographic, 70 had read Time and National Geographic, and 30 had read all three.
a.) Draw a complete Venn diagram representing this information
b.) If someone is selected at random from those surveyed, what is the probability that they
read exactly two of the three magazines in the past year?
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