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Mathematics, 01.07.2021 22:40, CalCDanG
An environmentalist would like to estimate the true mean weight of all cars. To do so, she selects a random sample of
30 cars and determines that the 90% confidence interval for the true mean weight to be 2.8 to 3.4 tons. Which of the
following would increase the margin of error for this confidence interval?
O selecting another sample
O increasing the sample size
O increasing the confidence level
O decreasing the confidence level
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Answers: 2
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An environmentalist would like to estimate the true mean weight of all cars. To do so, she selects a...
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