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WorksheetsProbability
Total questions: 14
Worksheet time: 20mins
Name
Class
Date
1.
A die is rolled once. What is the probability of rolling a 5? Your answer should be a fraction in simplest form.
a)
1/6
b)
1/3
c)
2/5
d)
5/6
2.
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
3.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
4.
Rolling a 15 on a number cube is
a)
Impossible
b)
Certain
c)
Unlikely
d)
Equally Likely
5.
Find the probability of each set of independent events.
drawing a black checker from a bag of 6 black checkers and 4 red checkers, replacing it, and drawing another black checker.
a)
2/3
b)
9/25
c)
2/5
d)
3/5
6.
A standard die is rolled twice. Find each probability.
P (prime, then 6)
a)
1/2
b)
2/3
c)
1/9
d)
1/12
7.
The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=
a)
1/8
b)
5/8
c)
7/8
d)
3/7
8.
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
9.
A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll?
a)
2/3
b)
5/36
c)
1/9
d)
1/36
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.
You pick a marble and pick a card. How many outcomes are possible?
a)
7
b)
10
c)
14
d)
8
12.
What is the probability of catching a blue bug?
a)
1/2
b)
6/11
c)
1/6
d)
impossible
13.
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
a)
1/9
b)
2/9
c)
5/21
d)
10/21
14.
What is the probability of spinning an even number?
a)
30%
b)
33%
c)
50%
d)
67%
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