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Mathematics, 29.11.2019 06:31 jonathanvega424
Amanufacturer of interocular lenses will qualify a new grinding 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 6 defective lenses.
(a) formulate and test an appropriate set of hypotheses to determine whether the machine can be qualified. use α = 0.05. find the p-value.
(b) explain how the question in part (a) could be answered with a confidence interval. 9-97. a researcher claims th
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