Solve

ERNIE - Hon Dashboard Grades for A Grades for A M7-Ch11 Hv P Do Homewo ab.pearson.com/Student/PlayerHomework.aspx?homeworkld=695812290&questionid=10&flushed=false&cld=8255792&back=DoAssig Aviation Appl - Apr 2025 - Online Ch11 Hw Question 1, 11.1.3 HW Score: 86.25%, 86.25 of 100 p Part 5 of 6 Points: 1.25 of 10 K According to a recent poll, 25% of adults in a certain area have high levels of cholesterol. They report that such elevated levels healthcare system" and are a major concern to health insurance providers. According to recent studies, cholesterol levels in he with a standard deviation of about 25 mg/dL, and are roughly Normally distributed. Assume that the standard deviation of the population standard deviation. If the cholesterol levels of a sample of 48 healthy adults from the region is taken, answer parts a) What shape will the sampling distribution of the mean have? A. The sampling distribution of the mean is skewed left. B. The sampling distribution of the mean is skewed right. C. The sampling distribution of the mean is normal. D. There is not enough information to determine the shape of the sampling distribution. b) What is the mean of the sampling distribution? H = 205 mg/dL c) What is the standard deviation? SD(y) = 3.61 mg/dL (Round to two decimal places as needed.) d) If the sample size were increased to 100, how would your answers to parts a-c change? For part a, the shape of the distribution would also be normally distributed. For part b, the mean of the sampling distribution would H = mg/dL. hs w an example Get more help - Q Search