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 207 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 40 healthy adults from the region is taken, 207 mg/dL is the mean and 4.74 mg/dL is the standard deviation of the sampling distribution. If the sample size were increased to 80, the standard deviation of the sampling distribution SD(¯y) would