d) drag options

a. also be normally distributed, become skewed left, become skewed right

b. change to, remain as

c.change to, remain as

Transcribed Image Text:

K health insurance providers According to recent studies, cholesterol levels in healthy adults from the area average about 209 mg/dl, with a standard deviation of about 35 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 44 healthy adults from the region is taken, answer parts a through d OC. The sampling distribution of the mean is skewed left OD. There is not enough information to determine the shape of the sampling distribution b) What is the mean of the sampling distribution D p-209 mg/d c) What in the standard deviation? SD)-5.28 mg/d (Round to two decimal places as needed) d) if the sample size were increased to 80, how would your answers to parts ac change? For part a the shape of the distribution would also be normally distributed For part b. the mean of the sampling distribution would remain as p209 mg/dl For part c. the standard deviation of the sampling distribution would SD-mg/dL (Round to two decimal places as needed) 8 a Mo K health insurance providers According to recent studies, cholesterol levels in healthy adults from the area average about 209 mg/dl, with a standard deviation of about 35 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 44 healthy adults from the region is taken, answer parts a through d OC. The sampling distribution of the mean is skewed left OD. There is not enough information to determine the shape of the sampling distribution b) What is the mean of the sampling distribution D p-209 mg/d c) What in the standard deviation? SD)-5.28 mg/d (Round to two decimal places as needed) d) if the sample size were increased to 80, how would your answers to parts ac change? For part a the shape of the distribution would also be normally distributed For part b. the mean of the sampling distribution would remain as p209 mg/dl For part c. the standard deviation of the sampling distribution would SD-mg/dL (Round to two decimal places as needed) 8 a Mo