Concept explainers
Cell Phone Usag e A cell phone provider classifies its customers as Low users (less than 400 minutes per month) or High users (400 or more minutes per month). Studies have shown that 80% of the people who were Low users one month will be Low users the next month, and that 70% of the people who were High users one month will be High users the next month.
a. Set up the
b. Suppose that, during the month of January, 50% of the customers were Low users. What percent of the customers will be Low users in February? In March?
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Finite Mathematics & Its Applications Plus Mylab Math With Pearson Etext -- Access Card Package (12th Edition)
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