Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 5 feet off the ground and is 4 feet from the base of the ladder, which is 24 feet from the wall.
How high up the wall is the top of the ladder?
The ladder is attached to the wall of the jungle gym at a height of
feet.

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.