food prices food genie(fg)  and harvest town (ht)  gallon of milk fg $3.29 ht$3.75  corn flakes fg$4.29 ht$4.40  wheat bread fg $1.69 ht $1.99  pound of tomatoes  fg $3.09 ht $5.45 amelie usually shops at harvest town, but she went shopping at food genie yesterday. she bought a gallon of milk, a loaf of wheat bread, and 2 lbs. of tomatoes. how much money did amelie save by shopping at food genie? a. $3.12 b. $3.23 c. $5.48 d. $5.59

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.