2. Subscribers to a local newspaper were asked whether they regularly, occasionally, or never read the business section and also whether they had traded common stocks over the last year. The following table indicates the proportions of subscribers in six joint classifications. Traded Stocks Yes No Read Business section Regularly Occasionally Never 0.18 0.04 0.16 0.31 0.21 (a) What is the probability that a randomly chosen subscriber never reads the business sec- tion? (a) 25% (b) What is the probability that a randomly chosen subscriber has traded stocks over the last year? (b) 32% (c) What is the probability that a randomly chosen subscriber traded stocks and never read the business section? (c) 4% (d) What is the probability that a subscriber traded stocks, if he never read the bussiness section? (d) 16% (e) What is the probability that a subscriber never reads the business section, if the traded stocks? (e) 12.5%

2. Subscribers to a local newspaper were asked whether they regularly, occasionally, or never read the business section and also whether they had traded common stocks over the last year. The following table indicates the proportions of subscribers in six joint classifications. Traded Stocks Yes No Read Business section Regularly Occasionally Never 0.18 0.04 0.16 0.31 0.21 (a) What is the probability that a randomly chosen subscriber never reads the business sec- tion? (a) 25% (b) What is the probability that a randomly chosen subscriber has traded stocks over the last year? (b) 32% (c) What is the probability that a randomly chosen subscriber traded stocks and never read the business section? (c) 4% (d) What is the probability that a subscriber traded stocks, if he never read the bussiness section? (d) 16% (e) What is the probability that a subscriber never reads the business section, if the traded stocks? (e) 12.5%

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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