MCAS 2002, 10th Grade Math, Questions 29 to 32
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Question #29
The average life spans of some animals are shown in the chart below.
Based on the information given in the chart, which of the following statistics
yields the greatest numerical value?
A. mean
B. median
C. mode
D. range
Question #30
Janet is playing a game using the two spinners shown below. She will spin the
arrow on each spinner once and will move a specified number of steps forward
or backward according to the results of the spins.
What is the probability that Janet will have to move backward less than
4 steps?
A. 1/8
B. 3/8
C. 1/2
D. 3/4
Question #31 (Open-Response Question)
When a diver goes underwater, the weight of the water exerts pressure on the
diver. The table below shows how the water pressure on the diver increases as
the diver’s depth increases.
a. Based on the table above, what will be the water pressure on a diver at a
depth of 60 feet? Show your work or explain how you obtained your answer.
b. Based on the table above, what will be the water pressure on a diver at a
depth of 100 feet? Show your work or explain how you obtained your
answer.
c. Write an equation that describes the relationship between the depth, D, and
the pressure, P, based on the pattern shown in the table.
d. Use your equation from part c to determine the depth of the diver, assuming
the water pressure on the diver is 46.2 pounds per square inch. Show your
work or explain how you obtained your answer.
Question #32
In her closet, Megan has 6 different T-shirts, 5 different pairs of shorts, and
2 different hats. She pulls out 1 T-shirt, 1 pair of shorts, and 1 hat without
looking. How many different combinations of 1 T-shirt, 1 pair of shorts, and
1 hat are possible?
A. 11
B. 16
C. 32
D. 60
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