Mathematics, 05.05.2020 09:53 shymitch32
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. Assume the standard deviation from the recent studies is accurate and known. According to recent studies, cholesterol levels in healthy adults from the area average about 210 mg/dL, with a standard deviation of about 30 mg/dL, and are roughly Normally distributed. If the cholesterol levels of a sample of 41 healthy adults from the region is taken.
a. What shape will the sampling distribution of the mean have?
i. skewed left
ii. skewerd right
iii. mean is normal.
iv. not enough information
b. What is the mean of the sampling distribution?
c. What is the standard deviation?
Answers: 2
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According to a recent poll, 26% of adults in a certain area have high levels of cholesterol. They re...
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