Braun Research recently surveyed U.S. adults about the number of cups of coffee they drink per day

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Braun Research recently surveyed U.S. adults about the number of cups of coffee they drink per day and per week. The percentages are as follows:

Number of Cups                   Percentage

Two or more cups a day …….             33

One cup a day       ……………….            19

Two cups a week      ……………            11

One cup a week        ……………….         9

Don’t drink coffee       ……………         28

a. What percentage of adults drink coffee?

b. What percentage of adults drink two cups or more of coffee a week?

c. What percentage of adults drink one or two cups per week?

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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