According to the NCES, the mean calorie intake of males 20 to 39 years old is 2,716 with std. Deviation of 72.8. Assume a Nutritionist examines a random sample of n=35 males between the ages of 20 to 39 and obtains a sample mean calorie intake of x bar= 2,750 calories. What is the probability that a sample of 35 males would result in a sample mean of 2,750 or higher.
Are the results of the survey unusual? Why?