Please refer to question 9-90. A manufacturer of interocular lenses is qualifying a new grinding machine and will qualify the machine if there is evidence that the percentage of polished lenses that contain surface defects does not exceed 2%. A random sample of 250 lenses contains six defective lenses. Formulate and test an appropriate set of hypotheses to determine if the machine can be qualified. Use α = 0.05. What is your alternative hypothesis?
p is equal to 0.02 |
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p is greater than 0.02 |
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p is less than 0.02 |
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p is not equal to 0.02 |
What is the p (the true population parameter) and your conclusion from the previous question?
Reject the null, p is less than 0.02 at alpha = 0.05 |
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Reject the null, p is not less than 0.02 at alpha = 0.05 |
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Fail to reject the null, p is not less than 0.02 at alpha = 0.05 |
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Fail to reject the null, p is less than 0.02 at alpha = 0.05 |
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