AstudyI discovered that Americans consumed an average of 12 T pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.5 pounds Complete parts a through e below a. What is the probability that. an American will consume less than 9 pounds of chocolate next year? 0,1520' (Round to tour decimal places as needed) b. What is the probability that anAmerican will consume more than 11 pounds of chocolate next yeaI'?' 0.6816' {Round to tour decimal places as needed.) a. What is the probability that an American will consume between 10 and 13 pounds of chocolate next year? In {Round to four decimal places as needed.)