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Answers VA-Physical Education CR Making Wise Personal-Safety DecisionsQuestion 40

40

AVMultiple Choice

Making Wise Personal-Safety Decisions

Question 40 of 990 • VA-Physical Education CR

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?

Answer

A

selecting another sample

B

increasing the sample size

C

increasing the confidence level

D

decreasing the confidence level

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Making Wise Personal-Safety Decisions - Question 40 | VA-Physical Education CR | Revolt