Select the correct answer. Energized and Powercell are companies that manufacture alkaline batteries. Both companies claim that their batteries last longer than the average alkaline battery. Anju decided to conduct a test to see whether their claims were true. He purchased 30 Energized batteries, 30 Powercell batteries, and batteries of other brands to conduct the test. The purchase selection was random, and the test was unbiased. The batteries that lasted longer than the average of all the batteries were stated to have passed the test. The batteries that did not last as long as the average of all the batteries were stated to have failed the test. The results for Energized and Powercell are displayed in this table. Energized Powercell Passed 23 20 Failed 10 What can be concluded from the results of Anju's test? OA. Both manufacturers' claims are false because some of their batteries failed the test. Both manufacturers' claims are true because most of their batteries lasted longer than the average alkaline battery. O B. Oc. The Energized company's claim is true because a greater number of Energized batteries passed the test. O D. Powercell's claim is false because fewer of its batteries passed the test than Energized batteries.
Select the correct answer. Energized and Powercell are companies that manufacture alkaline batteries. Both companies claim that their batteries last longer than the average alkaline battery. Anju decided to conduct a test to see whether their claims were true. He purchased 30 Energized batteries, 30 Powercell batteries, and batteries of other brands to conduct the test. The purchase selection was random, and the test was unbiased. The batteries that lasted longer than the average of all the batteries were stated to have passed the test. The batteries that did not last as long as the average of all the batteries were stated to have failed the test. The results for Energized and Powercell are displayed in this table. Energized Powercell Passed 23 20 Failed 10 What can be concluded from the results of Anju's test? OA. Both manufacturers' claims are false because some of their batteries failed the test. Both manufacturers' claims are true because most of their batteries lasted longer than the average alkaline battery. O B. Oc. The Energized company's claim is true because a greater number of Energized batteries passed the test. O D. Powercell's claim is false because fewer of its batteries passed the test than Energized batteries.
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Select the correct answer.
Energized and Powercell are companies that manufacture alkaline batteries. Both companies claim that their batteries last longer than the
average alkaline battery.
Anju decided to conduct a test to see whether their claims were true. He purchased 30 Energized batteries, 30 Powercell batteries, and batteries
of other brands to conduct the test. The purchase selection was random, and the test was unbiased. The batteries that lasted longer than the
average of all the batteries were stated to have passed the test. The batteries that did not last as long as the average of all the batteries were
stated to have failed the test. The results for Energized and Powercell are displayed in this table.
Energized Powercell
Passed
23
20
Failed
7
10
What can be concluded from the results of Anju's test?
OA.
Both manufacturers' claims are false because some of their batteries failed the test.
OB.
Both manufacturers' claims are true because most of their batteries lasted longer than the average alkaline battery.
OC. The Energized company's claim is true because a greater number of Energized batteries passed the test.
O D. Powercell's claim is false because fewer of its batteries passed the test than Energized batteries.
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