1. The average life expectancy of tires produced by Whitney Tire Company has been 40,000 miles. Management believes that due to a new production process, the life expectancy of its tires has increased. In order to test the validity of this belief, the correct set of hypotheses is Ho: μ2 40,000 H: μ< 40,000 |Họ: µ > 40,000 Hạ: us 40,000 Họ: µ s 40,000 H̟: µ> 40,000 Ho: µ < 40,000 H: µ z 40,000

MATLAB: An Introduction with Applications
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1. The average life expectancy of tires produced by Whitney Tire Company has been
40,000 miles. Management believes that due to a new production process, the life
expectancy of its tires has increased. In order to test the validity of this belief, the
correct set of hypotheses is
Ho: μ2 40,000 H: μ< 40,000
Họ: u > 40,000 Hạ: µ s 40,000
Họ: us 40,000 Ha: u > 40,000
Ho: u < 40,000 Hạ: µ z 40,000
Transcribed Image Text:1. The average life expectancy of tires produced by Whitney Tire Company has been 40,000 miles. Management believes that due to a new production process, the life expectancy of its tires has increased. In order to test the validity of this belief, the correct set of hypotheses is Ho: μ2 40,000 H: μ< 40,000 Họ: u > 40,000 Hạ: µ s 40,000 Họ: us 40,000 Ha: u > 40,000 Ho: u < 40,000 Hạ: µ z 40,000
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