Alphonse did enough situps to rank in the 99th percentile for boys his age. this means that less than 1% of all the boys did more sit ups than alphonse. select which decimal could represent the frection of boys who did more sit ups than alphonse.
0.01
0.002
0.95
0.04
0.103
0.0056

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.