*Update: Statistics H/EEP Period 4 2020 2023 6. A study of college freshmen's study habits found that the time (in hours) that college freshmen use to study each week follows a distribution with a mean of 7.2 hours and a standard deviation of 5.3 3-26-21 hours. (a) Can you calculate the probability that a randomly chosen freshman studies more than 9 hours? Assigned Vicki Verditell If so, do it. If not, explain why not. 100 points create Work on this quiz as dons Do not work toge Submit your own Please submit by ments (b) What is the shape of the sampling distribution of the mean * for samples of 55 randomly selected freshmen? Justify your answer. Vicki Vendites) 2 Class comm (c) What are the mean and standard deviation for the average number of hours x spent studying by an SRS of 55 freshmen? Add a class com (d) Find the probability that the average number of hours spent studying by an SRS of 55 students is greater than 9 hours. Show your work. (e) What would the number of hours studying on average each week be, so that the probability of a SRS of 55 students studying for that number of hours is less than 10%