NEW
Font size
S
M
L
XL
WorksheetsProbability
Total questions: 20
Worksheet time: 28mins
Name
Class
Date
1.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
2.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
3.
A likely chance event is closer to what number?
a)
0
b)
1
c)
.5
d)
100
4.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
5.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
6.
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.
7.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
8.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
9.
Is the spinner more likely or less likely to land on green than yellow?
a)
more likely
b)
less likely
10.
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
11.
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
12.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?
a)
2/7
b)
5/49
c)
5/7
d)
10/49
13.
You flip a nickel three times.
Find the probability that all flips will land on tails.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
14.
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
15.
Clare picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
16.
Clara picks a card at random, puts it back, and then picks another card at random.
a)
Independent
b)
Dependent
17.
Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.
a)
Independent
b)
Dependent
18.
Christopher picks a marble at random. Without putting the first marble back, he picks a second marble at random.
a)
Independent
b)
Dependent
19.
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)
P(white, then purple, then black)
a)
1/36
b)
2/39
c)
5/41
d)
6/43
20.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)
a)
2/9
b)
1/3
c)
1/2
d)
1/4
Reset
