7. The weights of ice cream cartons produced by a Vermont manufacturer are normally distributed with a mean of 10 ounces and a standard devition of 0.6 ounces. a) What is the probability that a randomly selected carton has a weight less than 9.8 oz? b) You randomly select 33 ice cream cartons. What is the probability that their mean is less than 9.8 oz? c) Compare the answers for (a) and (b) and account for any differences. Use your sketches for each part in your explanations. d) Are either of your answers to (a) or (b) unusual? Explain how you know.