Bachelor Level

1. A spinner labeled 8-14 was spun 20 times. The data are recorded below. What is the

mean absolute deviation of the data set below?

Spinner 1

8

9

10 11 12 13 14

Result

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?