If there are 3 brands of mobile phone products, B1, B2 and B3. 30%, 50% and 20% respectively are on the market. If brand B1 is selected, then the probability of a consumer to complain (A) is 0.3. If the brand B2 or B3 is selected, the chances of consumers to complain are 0.1 and 0.4, respectively. What are the chances of consumers complaining?

If there are 3 brands of mobile phone products, B1, B2 and B3. 30%, 50% and 20% respectively are on the market. If brand B1 is selected, then the probability of a consumer to complain (A) is 0.3. If the brand B2 or B3 is selected, the chances of consumers to complain are 0.1 and 0.4, respectively. What are the chances of consumers complaining?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 50E: Medicine Out of a group of 9 patients treated with a new drug, 4 suffered a relapse. Find the...

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