NAME _____________________________________________ DATE ____________________________ PERIOD _____________
State Test Review Part 2 Probability and Statistics
Write the letter for the correct answer in the blank at the right of each
question.
For Exercises 1 and 2, what would be the total number of outcomes in each
sample space?
1._____________
1. choosing water, milk, juice, or tea; with or without ice; served in a glass or a
plastic cup
A. 8
B. 10
C. 16
D. 18
2. _____________
2. What is P(2, then 2) when spinning the
spinner shown at the right twice?
1
1
A. 4
C. 56
1
1
B. 16
D. 64
3. _____________
3. Mrs. Blair will select a president and a vice-president from a committee of 8
members. In how many different ways can a president and a vice-president
be chosen from the committee?
F. 1,680
G. 336
H. 56
I. 15
4. _____________
4. Geoff needs to create a password for his E-mail account. The password must
have three letters. How many different passwords can he make? Assume he
may not use each letter more than once.
A. 51
B. 676
C. 15,600
D. 358,800
5. _____________
5. Sienna tossed 10 heads when tossing a coin 24 times. What is the
experimental probability of tossing heads?
A. 0.1
5
B. 12
C. 50%
5
D. 7
For Exercises 6 and 7, a box contains 1 green, 2 red, 3 pink, and 4 yellow
paper clips. A paper clip is drawn and not replaced. Then a second paper
clip is drawn.
6. What is P(red, then red)?
1
F. 45
2
G. 45
1
H. 25
6. _____________
7. _____________
I. 25%
7. What is P(green, then pink)?
A. 3%
1
B. 30
Course 2 • Chapter 9 Probability
3
C. 10
D. 0.4
211
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
10. The questions on a multiple-choice test each have 5 answer choices. Which of
the following models could you use to simulate the outcome of guessing the
correct answer?
10.______________
F. spinning a spinner with five equal sections
G. flipping a coin five times
H. spinning a spinner with four equal sections
I. rolling a number cube labeled one through six five times
11. _____________
Use the spinner for Exercises 11 and 12.
11. Find P(vowel).
12. _____________
12. Find P(not D).
13. How many ways can Gary, Cayla, and Pinak finish a bicycling race in first,
second, and third place?
13. _____________
14. _____________
14. The yearbook committee is deciding on the order to place 7 club pages. In how
many ways can the committee order the pages if the yearbook club comes last?
15. _____________
15. P(odd number)
16. _____________
16. P(not 3)
17. P(4 or 5)
17. _____________
18. The spinner is spun twice. Find P(1, then 6).
18. _____________
Course 2 • Chapter 10 Statistics
235
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
19. The double line plot shows the number of text messages 2 groups of students
reported that they sent in one day.
19._____________________
Which of the following statements is true?
A. The mean for group 1 is larger than the mean for group 2.
B. Group 2 has a greater median number of texts that were sent. Group 1 has a
smaller interquartile range, so the data is less spread out.
C. The median for group 1 is larger than the median for group 2.
D. Both sets of data are symmetric. You should use the mean to compare the
measures of center and the mean absolute deviation to compare the
variations
20. A survey found that 3 out of 7 people in a community jog on a regular basis. If
there are 3,150 people in the community, what is a reasonable prediction for the
number of people who would jog regularly?
F. 1,050
H. 1,575
G. 1,350
I. 1,800
21. Which type of data display would be best for showing how the height of a
plant changes each week during a science experiment?
F. line plot
H. stem-and-leaf plot
G. bar graph
I. line graph
Course 2 • Chapter 10 Statistics
20. ____________________
21. ____________________
235
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Test, Form 2B (continued)
SCORE __________
22. The table shows the number of hours Felisa spent sleeping each night for
12 nights Which type of data display would not be suitable for displaying the
data?
22. _________________
Hours Spent Sleeping
8
6
7
8
10
8
8
6
6
8
8
7
A. line plot
B. bar graph
C. circle graph
D. line graph
23.__________________
23. The number of toys donated by students in 12 classes is shown below. The
principal says the average number of toys donated by each class is 26.
Explain how this could be misleading.
16, 16, 17, 19, 20, 23, 24, 25, 29, 31, 33, 59
24. To determine what park visitors like, every tenth visitor is surveyed at the
park entrance. Out of 180 visitors, 22% said they would like to have more
walking paths. The park manager concludes that about one-fifth of all park
visitors would like to have more walking paths. Is this conclusion valid?
Justify your answer.
212
24. _________________
• Chapter 9 Probability