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According to a recent poll, 26% of adults in a certain area have high levels of cholesterol. They report that such elevated levels could be
According to a recent poll, 26% of adults in a certain area have high levels of cholesterol. They report that such elevated levels "could be financially devastating to the regions healthcare system" and are a major concern to health insurance providers. According to recent studies, cholesterol levels in healthy adults from the area average about 205 mg/dL, with a standard deviation of about 30 mg/dL, and are roughly Normally distributed. Assume that the standard deviation of the recent studies is accurate enough to be used as the population standard deviation. If the cholesterol levels of a sample of 47 healthy adults from the region is taken, answer parts a through d. a) What shape will the sampling distribution of the mean have? A. The sampling distribution of the mean is normal. O B. The sampling distribution of the mean is skewed left. O C. The sampling distribution of the mean is skewed right. O D. There is not enough information to determine the shape of the sampling distribution. b) What is the mean of the sampling distribution? H =] mg/dL vi V More ample Get more help - Clear all Check
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