Max races around the Sandvert circuit on a regular basis We are interested in his mean lap time We take a random sample of 100 of his laps and find that he has a mean lap time of 75 5 seconds with a sample standard deviation of 4 seconds Calculate a 90 confidence interval Calculate a 95 confidence...

x 2 SD 755 4 Confidence interval 7552005x4 x 201 5 D ...

Max races around the Sandvert circuit on a regular basis. We are interested in his mean...

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Business Statistics In Practice

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Authors: Bruce Bowerman, Richard O'Connell

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