Mathematics, 03.05.2021 14:50 ryrytkg5107
A random sample of three-year-old thoroughbred racehorses is taken, and the 95% confidence interval for the true mean height (in inches) is calculated to be (62.0, 68.4). Data about horses from the historical record of the three-year old thoroughbred racehorses who have run in the Kentucky Derby is examined, and the mean height is calculated to be 68.25 inches. Does this sample provide convincing evidence that three-year-old thoroughbred racehorses are, on average, shorter than those that run in the Kentucky Derby
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A random sample of three-year-old thoroughbred racehorses is taken, and the 95% confidence interval...
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