www-awn. aleks. com/alekscgi/x/Isl. exe/1o_u-IgNsikr7;8P3]H-IQU9Q7el1Rd 19 ro2iAisoFq9t3|sixZoxutSOCRAE280WmYA RCVD SSAE - My Apps T Tech Smart Dev = Knowledge Check Question 9 In the past year, Ryan watched 22 movies that he thought were very good. He watched 55 movies over the whole year. Of the movies he watched, what percentage did he think were very good?​

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.