According to a report from the United States Environmental Protection Agency, burning one gallon of gasoline typically emits about 8.9 kg of CO2. A fuel company wants to test a new type of gasoline designed to have lower CO2 emissions. Here are their hypotheses: Ho: = 8.9 kg Ha:u < 8.9 kg (where u is the mean amount of CO2 emitted by burning one gallon of this new gasoline). Under which of the following conditions would the company commit a Type I error?

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According to a report from the United States Environmental Protection Agency, burning one gallon of gasoline
typically emits about 8.9 kg of CO2. A fuel company wants to test a new type of gasoline designed to have
lower CO2 emissions. Here are their hypotheses:
Ho: = 8.9 kg
Ha:H< 8.9 kg
(where u is the mean amount of CO2 emitted by burning one gallon of this new gasoline).
Under which of the following conditions would the company commit a Type I error?
Transcribed Image Text:According to a report from the United States Environmental Protection Agency, burning one gallon of gasoline typically emits about 8.9 kg of CO2. A fuel company wants to test a new type of gasoline designed to have lower CO2 emissions. Here are their hypotheses: Ho: = 8.9 kg Ha:H< 8.9 kg (where u is the mean amount of CO2 emitted by burning one gallon of this new gasoline). Under which of the following conditions would the company commit a Type I error?
The mean amount of CO2 emitted by the new fuel is actually 8.9 kg, and they fail to conclude it is
A
lower than 8.9 kg.
The mean amount of CO2 emitted by the new fuel is actually lower than 8.9 kg, and they conclude
B
it is lower than 8.9 kg.
The mean amount of CO2 emitted by the new fuel is actually 8.9 kg, and they conclude it is lower
than 8.9 kg.
The mean amount of CO2 emitted by the new fuel is actually lower than 8.9 kg, and they fail to
conclude it is lower than 8.9 kg.
Transcribed Image Text:The mean amount of CO2 emitted by the new fuel is actually 8.9 kg, and they fail to conclude it is A lower than 8.9 kg. The mean amount of CO2 emitted by the new fuel is actually lower than 8.9 kg, and they conclude B it is lower than 8.9 kg. The mean amount of CO2 emitted by the new fuel is actually 8.9 kg, and they conclude it is lower than 8.9 kg. The mean amount of CO2 emitted by the new fuel is actually lower than 8.9 kg, and they fail to conclude it is lower than 8.9 kg.
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