Concept explainers
Three-Circle Venn Diagram with Numbers. Use the Venn diagram to answer the following
questions.
65. Hospital Drug Use. Patients in a (hypothetical) hospital on a single day were taking antibiotics (A), blood pressure medication (BP), and pain medication (P) an the following numbers:
A only | 12 | A and BP only | 15 |
BP only | 8 | A and P only | 24 |
P only | 22 | BP and P only | 16 |
None | 2 | All three | 20 |
a. Draw a three-circle Venn diagram that summarizes the results in the table.
b. How many patients took antibiotics or blood pressure medication?
c. How many patients took blood pressure medication but not pain medication?
d. How many patients took (at least) pain medication?
e. How many patients took antibiotics and blood pressure medicine but not pain medication?
f. How many patients took antibiotics or blood pressure medicine or pain medication?
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Using and Understanding Mathematics: A Quantitative Reasoning Approach plus NEW MyMathLab with Pearson eText -- Access Card Package (6th Edition) (Bennett Science & Math Titles)
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