The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. An infomercial claims that a woman drove 6 hours without oil, thanks to the engine treatment. A magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. Complete parts (a) and (b) below. (a) Determine the null and alternative hypotheses that the magazine will test. H.: H, V (b) Both engines took exactly 12 minutes to seize. What conclusion might the magazine make based on this evidence? O A. The infomercial's claim is not true. O B. The infomercial's claim is true.
The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. An infomercial claims that a woman drove 6 hours without oil, thanks to the engine treatment. A magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. Complete parts (a) and (b) below. (a) Determine the null and alternative hypotheses that the magazine will test. H.: H, V (b) Both engines took exactly 12 minutes to seize. What conclusion might the magazine make based on this evidence? O A. The infomercial's claim is not true. O B. The infomercial's claim is true.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.5: Adding Integers
Problem 45E
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Transcribed Image Text:The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. An infomercial claims that a woman drove 6 hours without oil, thanks to the engine
treatment. A magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. Complete parts (a) and (b) below.
(a) Determine the null and alternative hypotheses that the magazine will test.
Ho:
16
H,:
16
(b) Both engines took exactly 12 minutes to seize. What conclusion might the magazine make based on this evidence?
O A. The infomercial's claim is not true.
O B. The infomercial's claim is true.
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