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
Answers: 2
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In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?
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