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    Introduction to Probability and Statistics Study Set 1
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    Exam 10: Inference From Small Samples
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    A Race Car Driver Tested His Car for Time from 0
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A Race Car Driver Tested His Car for Time from 0

Question 75

Question 75

True/False

A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 48.5 seconds with a standard deviation of 1.47 seconds. A 95% confidence interval for the 0 to 60 time is 4.52 seconds to 5.18 seconds.

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