Worksheets05/20: Ch 5 Retest Probability Practice
Total questions: 35
Worksheet time: 47mins
Name
Class
Date
1.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
2.
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
3.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
4.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
5.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
6.
Find the experimental probability:
Roll dice: 1, 3, 3, 4, 4
P(1) =
a)
3/5
b)
1/6
c)
2/5
d)
1/5
7.
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B. P(green, black)
a)
3/20
b)
1/4
c)
3/31
d)
2/27
8.
You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify*
What is the probability you will choose either a black or a white marble?
*remember to simplify*
a)
3/5
b)
4/10
c)
3/10
d)
6/10
9.
A compound event is..
a)
an event that directly causes another
b)
the probability of all the outcomes
c)
1 event that creates 2 results
d)
when 2 or more independent events work together
10.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
11.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
12.
What is sample space?
a)
a process with an uncertain result
b)
a possible result of an action
c)
a list of all possible outcomes of an event
d)
a single outcome or group of outcomes
13.
Draw a tree diagram on a separate sheet of paper. Then answer this question. A girls' choir is choosing a uniform for their concert. They can pick red, green, or purple sweaters, and they can pick tan, white, or black skirts. The shoes they need come in gold and black. Assuming all the colors go together, how many different combinations can the choir pick?
a)
3 combinations
b)
12 combinations
c)
8 combinations
d)
18 combinations
14.
What is the probability of rolling an even number on a die?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
15.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
16.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
17.
What is the P( not purple) on this spinner?
a)
2/5
b)
1/5
c)
4/5
d)
3/5
18.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
19.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
20.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
21.
What is the probability of spinning red?
a)
0
b)
5/12
c)
1/2
d)
3/4
22.
What is the probability of spinning green or blue?
a)
0
b)
5/12
c)
1/2
d)
3/4
23.
Use the tree diagram to find the probability of tossing a head first and then a tail when a coin is tossed twice.
a)
1
b)
1/2
c)
1/4
d)
1/3
24.
Based on the chart, what is the experimental probability of pulling a green marble?
a)
1/8
b)
8/25
c)
8/100
d)
7/8
25.
Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?
a)
Yellow
b)
Red
c)
Blue
d)
Green
26.
Based on the chart, what is the experimental probability of pulling a green marble?
a)
1/8
b)
8/25
c)
8/100
d)
7/8
27.
What is the Theoretical Probability of landing on red?
a)
43%
b)
33.3%
c)
40%
d)
36%
28.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
29.
The extent to which something is likely to occur is known as -
a)
sample space
b)
an event
c)
probability
d)
data
30.
The likelihood that a single, specific event will occur is called -
a)
sample space
b)
compound probability
c)
a complement
d)
simple probability
31.
The likelihood of two or more related events occurring is called -
a)
compound probability
b)
theoretical probability
c)
simple probability
d)
experimental probability
32.
The number of ways an event can occur divided by the total number of outcomes is known as -
a)
an event complement
b)
experimental probability
c)
an event
d)
theoretical probability
33.
Which of the following methods is NOT a good tool for determining sample space?
a)
tree diagrams
b)
area models
c)
organized lists
d)
guess and check
34.
The more number of trials conducted in an experiment and the more data collected, the closer an event's experimental probability will align with its theoretical probability.
a)
True
b)
False
35.
How many total outfit options are represented?
a)
12
b)
22
c)
3
100 %
