Danny is building a pyramid modeled after one of the great pyramids of giza in egypt. the great pyramid has a height of 480 feet and a square base with a side measuring 755 feet.

if danny builds the pyramid to one-eightieth the size, what will the volume be for his pyramid? (round all numbers to the nearest tenth.)

a. 18.8ft^3
b.176.7ft^3
c.503.1ft^3
d.1,140,050ft^3

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.