WorksheetsBasic Probability
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
2.
What is the probability of spinning red?
a)
0
b)
5/12
c)
1/2
d)
3/4
3.
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
4.
What is the probability of picking a red marble from the bag?
a)
4/10
b)
1/10
c)
3/10
5.
What is the probability of spinning the spinner and landing on 7
a)
6/8
b)
1/8
c)
7/8
d)
8/8
6.
What is the probability of NOT spinning green on this spinner?
a)
1/4
b)
3/4
c)
1/12
d)
5/12
7.
What is the probability of getting any letter that is not A?
a)
6/8
b)
3/4
c)
2/8
d)
1/4
8.
Find the P(red) marble.
a)
9/11
b)
9/20
c)
11/9
d)
20/9
9.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
10.
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.
11.
The probability of it raining today is 30%. What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
12.
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
13.
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
a)
3
b)
1/10
c)
3/10
d)
30%
14.
A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?
a)
1/8
b)
1/2
c)
1
d)
3/8
15.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
16.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
17.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
18.
A spinner is spun and the results are shown in the chart.
Which of the following statements is true about the probability of spinning a blue?
Which of the following statements is true about the probability of spinning a blue?
a)
The experimental probability and theoretical probability are equal.
b)
The experimental probability is less than the theoretical probability.
c)
The experimental probability is greater than the theoretical probability.
d)
The experimental probability cannot be determined from the data.
19.
What is the probability of spinning an odd number?
a)
3/6
b)
1/2
c)
1/3
d)
1/6
20.
What is the probability of flipping heads on a coin?
a)
impossible
b)
unlikely
c)
as likely as unlikely
d)
likely
21.
In a deck of cards, what is the likelihood of selecting an ace?
a)
impossible
b)
unlikely
c)
as likely as unlikely
d)
likely
22.
What is the likelihood of selecting a rose colored crayon?
a)
unlikely
b)
as likely as not likely
c)
likely
d)
certain
23.
What is the probability of rolling an even number on a die?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
24.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
25.
What is the probability of spinning red?
a)
0
b)
1/2
c)
3/4
d)
1
100 %
