Cassidy's goal is to raise more than $75 for charity. she has already raised $6. now she is selling cupcakes for $3 each to reach her goal. let c represent the number of cupcakes cassidy needs to sell to reach her goal. select true or false for each statement. statement true or false cassidy will need to sell any number of cupcakes greater than 12 to reach her goal. cassidy will need to sell any number of cupcakes greater than 23 to reach her goal. true or false

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.