Probability And Statistics Worksheets Page 42
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42Preparing for Standardized Tests
For test-taking strategies and more
practice, see pages 709-724.
Part 2 Short Response/Grid In
18. Only two of the five school newspaper editors
can represent the school at the state awards
Record your answers on the answer sheet
banquet. How many different combinations
provided by your teacher or on a sheet of paper.
of two editors can be selected to go to the
banquet? (Lesson 9-5)
12. Mrs. Hayashi made a tablecloth for her
3
kitchen. She bought 4
yd of material. She
4
1
Part 3 Extended Response
used 3
yd of material to make the tablecloth.
8
How much material was not used to make the
Record your answers on a sheet of paper. Show
tablecloth? (Lesson 1-4)
your work.
19. Tiffany has a bag of 10 yellow marbles, 10 red
13. The Huang family had weekly grocery bills of
marbles, and 10 green marbles. Tiffany picks
$105, $115, $120, and $98 last month. What
two marbles at random and gives them to her
was their mean weekly grocery bill last
sister. (Lesson 9-4)
month? (Lesson 2-7)
a. What is the probability of choosing 2
yellow marbles?
14. Find the value of x. (Lesson 3-2)
b. Of the marbles left, what is the probability
of choosing a green marble next?
c. Of the marbles left, what color has a
1
probability of
of being picked?
(2x
3)°
3
Explain.
(3x
8)°
20. Kenneth is recording the times it takes him to
run various distances. The results are shown.
(Lesson 9-6)
15. Change 0.08 kg to grams. (Lesson 5-1)
Distance (mi)
2
3
5
7
9
Time (mi)
13
20
35
53
72
16. For a cleaning solution, bleach is mixed with
water in the ratio of 1:8. How much bleach
a. Make a scatter plot of the data.
should be added to 12 qt of water to make
b. How many minutes do you think it
the proper solution? (Lesson 7-1)
will take Kenneth to run 4 mi?
Explain.
17. Suppose the segment shown below is
translated 3 units to the left. What are the
coordinates of the endpoints of the resulting
Test-Taking Tip
segment? (Lesson 8-1)
Question 19
Extended response questions often involve several parts.
y
When one part of the question involves the answer to a
previous part of the question, make sure you check your
answer to the first part before moving on. Also, remember
to show all of your work. You may be able to get partial credit
x
O
for your answers, even if they are not entirely correct.
421
Chapter 9 Standardized Test Practice
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