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The Twister Roller Coaster always has a long line of thrill seekers waiting to take a...

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Basic Math

The Twister Roller Coaster always has a long line of thrillseekers waiting to take a ride on it. A random sample of 60 riderswaited in line a mean time of 42 minutes with a standard deviationof 12 minutes. Find a 90% confidence interval for the populationmean waiting time in the Twister line.

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SolutionGiven that 42 minutess 12 minutesn 60Degrees of    See Answer
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