WorksheetsProbability Unit Review
Total questions: 35
Worksheet time: 6hrs 10mins
Name
Class
Date
1.
There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?
a)
1/22
b)
1/23
c)
23/1
2.
There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?
a)
15/15
b)
1/2
c)
15/40
3.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
4.
P(C or E) =
*Remember to simplify.*
*Remember to simplify.*
a)
2/8
b)
1/4
c)
4/8
d)
1/2
5.
Probability of:
Spinning a 3
Drawing an A
Spinning a 3
Drawing an A
a)
2/8
b)
1/4
c)
1/16
d)
1/8
6.
Probability of:
Spinning a 4
Drawing an B or C
Spinning a 4
Drawing an B or C
a)
1/2
b)
1/12
c)
1/16
d)
1/14
7.
What is the probability of drawing a King from a deck of cards, putting it back in the deck, shuffling the deck, and then drawing a Jack?
a)
Independent
b)
Dependent
8.
What is the probability of drawing the Queen of Hearts from a deck of cards, putting it back in the deck, shuffling the deck, and then drawing the same card again?
a)
Independent
b)
Dependent
9.
What is the probability of drawing a black card from a deck of cards, putting it aside, and then drawing a red card?
a)
Independent
b)
Dependent
10.
You have a bag of 10 marbles. Four are red and 6 are blue. What is the probability of drawing a blue marble, putting it aside, and then drawing a red marble?
a)
Dependent
b)
Independent
11.
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
12.
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(3 whites)
P(3 whites)
a)
1/30
b)
2/37
c)
1/41
d)
2/18
13.
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
14.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
15.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(orange,green)
a)
1/15
b)
2/15
c)
3/31
d)
1/5
16.
There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. Both times the coin is a nickel.
a)
36/169
b)
2/7
c)
5/16
d)
3/19
17.
There are seven nickels and six dimes in your pocket. You randomly pick a coin out of your pocket and place it on a counter.Then you randomly pick another coin. The first coin is a nickel and the second coin is a dime.
a)
7/26
b)
3/19
c)
10/21
d)
18/35
18.
At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a manager.
a)
2/3
b)
8/15
c)
2/15
d)
not enough information
19.
Each of the letters in MATHEMATICS are on separate cards, face down on a table. If you pick a card at random, and then another card without replacement what is the probability that both card will be a vowel?
a)
4/11
b)
16/121
c)
7/21
d)
6/55
20.
A coin is tossed and a number cube is rolled. What is the probability that the coin shows tails and the number cube shows a six?
a)
1/6
b)
1/8
c)
1/12
d)
1/4
21.
How many total possible outcomes are there if you spin a spinner with 5 different colors and roll a number cube?
a)
36
b)
11
c)
30
d)
25
22.
A die is rolled. What is the probability that the result is less than 3 ?
a)
1/2
b)
1/3
c)
1/4
d)
1/6
23.
A spinner has 4 colors: red, green, pink, and blue. What is the probability of spinning pink and then tossing tails on a coin?
a)
1/4
b)
1/2
c)
1/8
d)
1/6
24.
Bill has a bag of straws that contains 13 red, 12 blue, 15 yellow, and 8 green straws. If he picks a straw at random, what is the probability that the straw will be green or blue?
a)
1/24
b)
1/6
c)
1/4
d)
5/12
25.
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
26.
The probability based on frequency of outcomes during an experiment
a)
experimental probability
b)
fundamental counting principle
c)
mutually exclusive event
d)
dependent event
27.
The outcome of one event does not influence the outcome of the other event
a)
independent event
b)
tree diagram
c)
simple event
d)
odds
28.
The outcome of one event does influence the outcome of the other event
a)
mutually exclusive event
b)
probability
c)
dependent event
d)
simple probability
29.
Find the experimental probability of spinning Letter Q.
a)
15/15
b)
3/10
c)
3/50
d)
7/10
30.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
31.
How many total outfit options are represented?
a)
12
b)
22
c)
3
d)
5
32.
Some months have 31 days. How many have 28?
a)
none
b)
1
c)
11
d)
12
33.
Which weighs more, a pound of feathers or a pound of bricks?
a)
feathers
b)
bricks
c)
they weigh the same
d)
depends on which falls on your foot
34.
What is the minimum number of 6 packs one would need to put 99 bottles of "pop" on the wall?
a)
15
b)
17
c)
19
d)
21
35.
Replace the question mark with the correct number.
a)
8
b)
7
c)
9
d)
6
100 %
