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A study was done to determine the efficacy of three different drugs-A, B, and C-in relieving headache pain. Over the period covered by the study, 50 subjects were given the chance to use all three drugs. The following results were obtained. 22 reported relief from drug A 22 reported relief from drug B 31 reported relief from drug C 8 reported relief from both drugs A and B 14 reported relief from both drugs A and C 15 reported relief from both drugs B and C 43 reported relief from at least one of the drugs Note that some of the 22 subjects who reported relief from drug A may also have reported relief from drugs B or C. A similar occurrence may be true for the other data. (a) How many people got relief from none of the drugs? 7 (b) How many people got relief from all three drugs? 3 × (c) Let A be the set of all subjects who got relief from drug A, B the set of all subjects who got relief from drug B, and C the set of all subjects who got relief from drug C. Fill in the numbers for all eight regions of the following diagram. Sample of Students 4 × 10 5 × 3 7 (d) How many subjects got relief from drug A only? 4 × 11 3 ☑

A study was done to determine the efficacy of three different drugs-A, B, and C-in relieving headache pain. Over the period covered by the study, 50 subjects were given the chance to use all three drugs. The following results were obtained. 22 reported relief from drug A 22 reported relief from drug B 31 reported relief from drug C 8 reported relief from both drugs A and B 14 reported relief from both drugs A and C 15 reported relief from both drugs B and C 43 reported relief from at least one of the drugs Note that some of the 22 subjects who reported relief from drug A may also have reported relief from drugs B or C. A similar occurrence may be true for the other data. (a) How many people got relief from none of the drugs? 7 (b) How many people got relief from all three drugs? 3 × (c) Let A be the set of all subjects who got relief from drug A, B the set of all subjects who got relief from drug B, and C the set of all subjects who got relief from drug C. Fill in the numbers for all eight regions of the following diagram. Sample of Students 4 × 10 5 × 3 7 (d) How many subjects got relief from drug A only? 4 × 11 3 ☑

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A study was done to determine the efficacy of three different drugs-A, B, and C-in relieving headache pain. Over the period covered by the study, 50 subjects were given the chance to use all three drugs. The following results were obtained. 22 reported relief from drug A 22 reported relief from drug B 31 reported relief from drug C 8 reported relief from both drugs A and B 14 reported relief from both drugs A and C 15 reported relief from both drugs B and C 43 reported relief from at least one of the drugs Note that some of the 22 subjects who reported relief from drug A may also have reported relief from drugs B or C. A similar occurrence may be true for the other data. (a) How many people got relief from none of the drugs? 7 (b) How many people got relief from all three drugs? 3 × (c) Let A be the set of all subjects who got relief from drug A, B the set of all subjects who got relief from drug B, and C the set of all subjects who got relief from drug C. Fill in the numbers for all eight regions of the following diagram. Sample of Students 4 × 10 5 × 3 7 (d) How many subjects got relief from drug A only? 4 × 11 3 ☑
Transcribed Image Text:A study was done to determine the efficacy of three different drugs-A, B, and C-in relieving headache pain. Over the period covered by the study, 50 subjects were given the chance to use all three drugs. The following results were obtained. 22 reported relief from drug A 22 reported relief from drug B 31 reported relief from drug C 8 reported relief from both drugs A and B 14 reported relief from both drugs A and C 15 reported relief from both drugs B and C 43 reported relief from at least one of the drugs Note that some of the 22 subjects who reported relief from drug A may also have reported relief from drugs B or C. A similar occurrence may be true for the other data. (a) How many people got relief from none of the drugs? 7 (b) How many people got relief from all three drugs? 3 × (c) Let A be the set of all subjects who got relief from drug A, B the set of all subjects who got relief from drug B, and C the set of all subjects who got relief from drug C. Fill in the numbers for all eight regions of the following diagram. Sample of Students 4 × 10 5 × 3 7 (d) How many subjects got relief from drug A only? 4 × 11 3 ☑
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