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WorksheetsTheoretical Probability
Total questions: 15
Worksheet time: 4hrs 45mins
Name
Class
Date
1.
What is the probability of spinning a 2 on the spinner?
a)
1/2
b)
1/3
c)
1/8
d)
1/4
2.
What is the probability the spinner stops on yellow?
a)
.05
b)
1/2
c)
1/3
d)
3/8
3.
You spin the spinner 1 time.
What is P(7)?
a)
1/3
b)
2/5
c)
3/4
d)
1/4
4.
The spinner shown is spun once
P(1, 5, or 7)
a)
1/8
b)
3/8
c)
4/8
d)
2/8
5.
The spinner shown is spun once.
P(greater than 10)
a)
1/8
b)
0
c)
8/8
d)
1/2
6.
There is 4 blue marbles, 6 red marbles, 2 yellow marbles and 1 white marble in the bag. What is the probability of randomly choosing a yellow marble?
a)
2/11
b)
2/13
c)
2/12
d)
2/14
7.
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.
8.
Which color marble is least likely to be pulled from the jar?
a)
Green
b)
Red
c)
Blue
9.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
10.
A likely chance event is closer to what number?
a)
0
b)
1
c)
.5
d)
100
11.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
12.
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
13.
What is the P( not purple) on this spinner?
a)
2/5
b)
1/5
c)
4/5
d)
3/5
14.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
15.
P(cereal or steak)
a)
9/40
b)
1/40
c)
8/40
d)
1/2
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