Astudy discovered that Americans consumed an average of 12.? pounds of chocolate per year. Assume that the annu Complete parts a through e below. ll l a. What is the probability that an American will consume less than Ft pounds of chocolate next year? 11.15212?l {Round to four decimal places as needed.) b. 'IAr'hat is the probability that an American will consume more than 11 pounds of chocolate next year?I [1.6816' {Round to four decimal places as needed} c. What is the probability that an American will consume between 1D and 13 pounds of chocolate next year? [1.31156 {Round to four decimal places as needed} d. What is the probability that an American will consume exactly 12 pounds of chocolate next year'?I |:| {Round to four decimal places as needed.)