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WorksheetsAlgebra II 233 Unit 1: Chapter 11 Prob and Stat Worksheet
Total questions: 50
Worksheet time: 3hrs 37mins
Name
Class
Date
1.
The number of hours a group of contestants spent preparing for a quiz show are listed below. What is a frequency table that represents the data?
60 25 86 56 45 48 90 75 30 67 90 36 80 15 32 65 61
60 25 86 56 45 48 90 75 30 67 90 36 80 15 32 65 61
a)
Hours Frequency
0-9 0
10-19 1
20-29 1
30-39 3
40-49 2
50-59 1
60-69 4
70-79 1
80-89 2
90-99 2
0-9 0
10-19 1
20-29 1
30-39 3
40-49 2
50-59 1
60-69 4
70-79 1
80-89 2
90-99 2
b)
Hours Frequency
0-9 0
10-19 1
20-29 2
30-39 1
40-49 2
50-59 1
60-69 4
70-79 1
80-89 1
90-99 1
0-9 0
10-19 1
20-29 2
30-39 1
40-49 2
50-59 1
60-69 4
70-79 1
80-89 1
90-99 1
c)
Hours Frequency
0-9 4
10-19 1
20-29 1
30-39 2
40-49 3
50-59 4
60-69 1
70-79 1
80-89 1
90-99 1
0-9 4
10-19 1
20-29 1
30-39 2
40-49 3
50-59 4
60-69 1
70-79 1
80-89 1
90-99 1
d)
Hours Frequency
0-9 1
10-19 2
20-29 1
30-39 2
40-49 2
50-59 3
60-69 3
70-79 1
80-89 0
90-99 2
0-9 1
10-19 2
20-29 1
30-39 2
40-49 2
50-59 3
60-69 3
70-79 1
80-89 0
90-99 2
2.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M.
3.
Describe the histogram:
a)
Left Skewed
b)
Symmetrical
c)
Right Skewed
d)
Uniform
4.
The average age of 3 girls is 11 years. The average age of 2 of the girls is 12 years. What is the age of the third girl?
a)
13
b)
10
c)
9
5.
What is the MEDIAN of this data?
a)
95
b)
90
c)
100
d)
40
6.
What is the RANGE of this data?
a)
40
b)
95
c)
90
d)
100
7.
What is the MODE of this data?
a)
100
b)
20
c)
80, 85, and 90
d)
none
8.
What is the MEAN for this data?
a)
80
b)
1040
c)
13
d)
81
9.
What is the MEAN of this data? Round to the nearest hundredth
a)
85.77
b)
1115
c)
85
d)
13
10.
Calculate the range of the following 2, 5, 8, 3, 13, 5
a)
11
b)
13
c)
5
d)
8
11.
calculate the median for the following set of scores: 45, 69, 69, 87, 88, 92, 99, 100
a)
87
b)
55
c)
87.5
d)
99
12.
There are eight horses in the race. How many ways can they finish First, Second and Third?
a)
512
b)
448
c)
336
d)
24
13.
At a New Car Dealership a particular model comes in 4 trim levels, 5 different colors, and 3 different interiors. How many different versions of this car model can be created from these options?
a)
180
b)
23
c)
12
d)
60
14.
A menu has 6 different sandwiches, with 3 choices of potato chips, 3 types of salad and 5 different beverages. How many different lunch combinations consisting of a sandwich, chips and beverage can be ordered?
a)
30
b)
17
c)
90
d)
270
15.
A menu has 6 different sandwiches, with 3 choices of potato chips, 3 types of salad and 5 different beverages. How many different lunch combinations consisting of a sandwich, chips and beverage can be ordered?
a)
30
b)
17
c)
90
d)
270
16.
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
a)
15
b)
40
c)
80
d)
10
17.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
18.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9 or 1/3
c)
1/9
d)
3/6
19.
Find the theoretical probability of NOT landing on yellow if you spin the spinner.
a)
1/8
b)
7/8
c)
1
d)
7
20.
The cafeteria has 2 choices of salads, 3 choices of entrees, and 2 choices of beverages. How many meal combinations are available and why?
a)
7 because 2 + 3 + 2
b)
12 because 2 x 3 x 2
21.
Permutation, combination, or neither?
5 group leaders chosen from a class of 22 students.
5 group leaders chosen from a class of 22 students.
a)
combination
b)
permutation
c)
neither
22.
Permutation, combination, or neither?
Picking a President and Vice President for the senior class, out of 10 students running for office.
Picking a President and Vice President for the senior class, out of 10 students running for office.
a)
combination
b)
permutation
c)
neither
23.
How many styles of sneakers are possible if Jared can choose from high-top or low-top, shoelaces or velcro, and the colors black, white, and red?
a)
12
b)
7
c)
223
d)
64
24.
5 out of 13 students ride in a car instead of a van. How many combinations of 5 students are possible?
a)
154,440
b)
1,287
c)
1716
25.
Members of 6 different school organizations decorated floats for the homecoming parade. How many different ways can first, second, and third prize be awarded?
a)
18
b)
120
c)
36
26.
In how many ways can 9 different plates be arranged on a tray?
a)
504
b)
9
c)
362880
d)
12
27.
There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?
a)
1/22
b)
1/23
c)
23/1
d)
22/1
28.
There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?
a)
15/15
b)
1/2
c)
15/40
d)
15/30
29.
If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown
5 green
6 yellow
8 blue
7 brown
a)
8/26
b)
4/13
c)
8/25
d)
1/3
30.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
31.
If you spin the spinner 90 times, how many times should the number 3 be selected?
a)
9
b)
15
c)
16
d)
30
32.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
33.
The outcome table below shows the possible results of rolling a dice and flipping a coin. Determine the probability of getting a head AND an even number in simplified form.
a)
3/12
b)
1/4
c)
3/4
d)
1/2
34.
The outcome table below shows the possible results of rolling a dice and flipping a coin. Determine the probability of getting a head OR an even number in simplified form.
a)
9/12
b)
3/4
c)
1/2
d)
1/3
35.
What is the probability that the person picked will be a boy given they speak german?
a)
.7273
b)
.4
c)
.16
d)
.22
36.
What is the probability that a female is chose given they like a Toyota?
a)
.525
b)
.4627
c)
.6774
d)
.3143
37.
1. A bag contains 2 orange dice and 7 purple dice. A purple dice is drawn and not replaced. Then an orange dice is drawn.
a)
Independent
b)
Dependent
c)
Conditional
38.
2. A day in the year is randomly chosen. Given the day is in the month of December, what is the probability the day is the 25th?
a)
Independent
b)
Dependent
c)
Conditional
39.
Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?
a)
1 / 16
b)
1 ⁄ 6
c)
1 ⁄ 8
d)
3 ⁄ 4
40.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
41.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
42.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
43.
The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
a)
24
b)
36
c)
39
d)
52
44.
Find the mode.
7, 1, 1, 7, 1, 4, 1
7, 1, 1, 7, 1, 4, 1
a)
7
b)
3
c)
1
d)
4
45.
What is the median of the data?
a)
200
b)
100
c)
90
d)
140
46.
What percentage of the data is between 40 and 150?
a)
25 %
b)
50%
c)
75%
d)
100%
47.
What is the median?
a)
35
b)
30
c)
25
d)
50
48.
In the data set {5, 10, 12, 15, 18, 20, 25}, the number 15 is at the 50th percentile rank.
a)
True
b)
False
49.
Frank scored a 72% on his first test and 76% on his second. He needs to average at least an 84% in order to stay on the honor roll. His next 3 tests were better, scoring 82%, 92%, and 96%. What is the lowest score he can get on the last test of the trimester and still earn an 84%?
a)
84
b)
85
c)
86
d)
87
50.
A data point that does not appear to belong to the rest of the set.
a)
Outlier
b)
Mean
c)
Mode
d)
Interquartile Range
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