Name:
Class:
Date:
30 week CCA Review – 7th Grade - KEY 2016
The two spinners shown are spun.
Determine the probability.
1. P(odd and A)
a. 1
b.
c.
3. The double dot plot shows the number of
points scored by Sam and Daniel in 15
basketball games. What is the difference
between the medians? ________
d.
6
2. The double box plot shows the ages of the
students enrolled in two different computer
classes. Use the information to determine
which statement is NOT an inference that
can be made about the two populations.
a. The oldest student enrolled in either
class is 22 years old.
b. The interquartile range for the
Mon./Wed. class is twice the
interquartile range for the
Tues./Thurs. class.
c. The youngest student enrolled in
either class is 19 years old.
d. Fifty percent of the students enrolled
in the Tues./Thurs. class are between
the ages of 21 and 23.
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The results of a
survey asking
teens their
favorite type of
book to read is
shown.
4. Out of 250 teens, predict how many would
choose science fiction as their favorite type
of book to read.
a. about 33
b. about 63 teens
teens
c. about 93
d. about 187
teens
teens
Page 1
Name:
Class:
Date:
30 week CCA Review – 7th Grade - KEY 2016
The bar graph shows the
approximate number of visitors at
an amusement park.
7. The dot plot shows the test scores of
students. What fraction of total students
scored 80? Express in simplest form.
a.
b.
c. 3
d.
14
5. What fraction of the number of visitors
visited in 2008 through 2010? Express in
simplest form.
a.
b.
c.
d.
8. Two number cubes labeled 1-6 are rolled.
Which set represents the sample space for
all the possible outcomes of the sum shown
on both number cubes?
a. {1, 2, 3, 4, 5, 6}
b. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12}
c. {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
d. {2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
9. Michelle randomly selects one of the cards
and records the result. Then she replaces the
card. She repeats this
process 7 times. Which
events could this model simulate?
6. The circle
graph shows
the favorite
lunch of 300
seventh
graders at
Central
Middle School. How many more students
favored Veggie Pizza than hamburgers for
lunch?
a. 24 students
c. 174 students
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b. 130 students
d. 84 students
a. Carrie randomly selecting from one
of four favorite sweaters each day
of the week
b. the possibility of rain over the next
7 hours, if the chance of rain is
40%
c. the chance that Ralph is randomly
chosen each day for one week
from a group of 5 classmates to be
the classroom helper
d. the possibility that the next 7
people win a game in which there
is a 25% chance of winning
Page 2
Name:
Class:
Date:
30 week CCA Review – 7th Grade - KEY 2016
10. The table shows information about the
type and number of sandwiches ordered by
80 customers. If 120 customers order a
sandwich, how many would you expect to
order a club?
a. 36
b. 50
c. 54
63
d.
11. Event A has a probability of 0.3. What is
the probability of the complement of Event
A?
_______
12. Mackenzie made 38 of 50 free throws.
What is the experimental probability that
Mackenzie will NOT make the next free throw
she attempts?
a.
b.
c.
d.
13. How many times would you expect the
spinner to NOT land on Blue if the spinner is
spun 40 times? Justify your prediction.
14. Sam is renting a car
Type of Car
for vacation. The table
SUV
shows the number of
keys in a bag for each
sedan
type of car in the parking
convertible
lot. How many times
compact
would you expect Sam to
sports
randomly select keys for
a convertible or a sports
car if he selects a key 120 times?
Number of
Keys in Bag
7
16
2
12
3
__________
15. Ava writes each letter of the alphabet on
separate note cards and puts the cards in a
hat. How many times would you expect
Ava to pick a letter from her name if she
picks a card 50 times, returning the card to
the hat
each time?
A about 2 times
C about 13 times
B about 4 times
D about 26 times
16. Linda rolled two 6-sided number cubes
labeled 1–6 fifty times. She rolled a sum of
6 fifteen times. What is the experimental
probability of a sum of 6?
A 0.15
B 0.25
C 0.3
D 0.5
17. Andy spun the spinner 20 times. The
spinner landed on the red section 6 times.
What is the difference between the
theoretical and experimental probabilities
of the spinner landing on the red section?
a. 8 times;
40 is 8.
b. 16 times;
40 is 16.
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c. 24 times;
40 is 24.
d. 32 times;
40 is 32.
A
2
15
B
1
5
C
1
10
1
2
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D
Name:
Class:
Date:
30 week CCA Review – 7th Grade - KEY 2016
18. Sarah rolls two 6-sided number cubes
labeled 1–6. What is the probability that
both number cubes land on a even
number?
A
1
36
B
1
4
C
1
3
21. The tree diagram shows all the possible
outcomes for which event?
D1
19. The state highway patrol inspected
vehicles on two highways. The double dot
plot shows the numbers of vehicle
violations that they found. Which inference
can be made about the two populations?
a.
b.
c.
d.
A The shapes of both plots are symmetrical.
B The data spreads of both populations are
the same.
C The interquartile range for Route 9 is 0.5
and the interquartile range for Interstate
45 is 2
.
D The median for Route 9 is 1 and the
median for interstate 45 is 2.
tossing
tossing
tossing
tossing
a coin
a coin two times
a coin three times
two coins one time each
22. At Jackson High School, 75% of the
students drive themselves to school. Which
simulation could model this situation?
a. tossing a coin, where heads
represent students who drove
themselves to school
b. tossing a coin two times, where
two heads represents students who
drove themselves to school
c. spinning a spinner with 3 equal
sections, where all 3 sections
represent the students who drove
themselves to school
d. spinning a spinner with 4 equal
sections, where 3 out of 4 sections
represent students who drove
themselves to school
23. Reese tossed a coin and rolled a number
cube labeled 1-6. What is the probability of
tossing heads and rolling an even number?
a.
b.
c.
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d.
Page 4