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WorksheetsProbability Quiz
Total questions: 21
Worksheet time: 37mins
Name
Class
Date
1.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?
a)
2/18
b)
1/9
c)
2/20
d)
1/10
2.
The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.
a)
True
b)
False
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 spinning green or blue?
a)
0
b)
5/12
c)
1/2
d)
3/4
5.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
6.
Find the probability of rolling greater than a 1 on a single die.
a)
6/6
b)
5/6
c)
4/6
d)
1/6
7.
What is the Theoretical Probability of not landing on red?
a)
25%
b)
50%
c)
65%
d)
66.7%
8.
In a cup are the numbers 1 - 20. Find the theoretical probability of
picking an even number.
picking an even number.
a)
10/20
b)
1/2
c)
1/20
d)
20/20
9.
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
10.
Quinn runs a sandwich shop. Since she added a turkey melt to the menu, 36 out of 120 customers have ordered the new sandwich. What is the probability that the next customer will order a turkey melt?
choose the answer that is simplified.
choose the answer that is simplified.
a)
36/120
b)
3/10
c)
1/3
d)
9/30
11.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
12.
A dice (numbered 1-6) is rolled 20 times. How many times will a number less than 4 show?
a)
5
b)
10
c)
15
d)
Never
13.
Draw a tree diagram in your math workbook. 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)
8 combinations
c)
12 combinations
d)
18 combinations
14.
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
15.
A tree diagram is useful in determining the __________of a probability experiment.
a)
result
b)
possible outcomes
c)
event
d)
none of the above
16.
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
a)
15
b)
40
c)
80
d)
10
17.
A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow.
a)
4/121
b)
8/121
c)
3/121
d)
6/121
18.
Two cards are drawn from a standard deck of cards and no cards are returned to the deck. Identify whether the events are independent or dependent.
a)
Independent
b)
Dependent
19.
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.
a)
3/5
b)
3/4
c)
3/20
d)
2/5
20.
Jamie has 3 raffle tickets. One hundred tickets were sold. Her name was not drawn for the first prize. What is the probability that her name will be drawn for the second prize?
a)
1/3
b)
1/33
c)
3/100
d)
2/99
21.
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%
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