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WorksheetsProbability
Total questions: 82
Worksheet time: 6hrs 49mins
Name
Class
Date
1.
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
2.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
3.
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
4.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
5.
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.
6.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
7.
Determine the likelihood of the following event:
Drawing a red card from a standard deck of cards
Drawing a red card from a standard deck of cards
a)
1/2
b)
13/52
c)
1/4
d)
4/52
8.
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%
9.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
10.
Rolling a 15 on a number cube is
a)
Impossible
b)
Certain
c)
Unlikely
d)
Equally Likely
11.
Clare picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
12.
Clara picks a card at random, puts it back, and then picks another card at random.
a)
Independent
b)
Dependent
13.
Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.
a)
Independent
b)
Dependent
14.
Christopher picks a marble at random. Without putting the first marble back, he picks a second marble at random.
a)
Independent
b)
Dependent
15.
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
16.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)
a)
2/9
b)
1/3
c)
1/2
d)
1/4
17.
During P.E. class, one team is picking softball gloves from the class bucket. Lindsey chooses a glove first, followed by Megan.
a)
Dependent
b)
Independent
18.
Reid picks a card at random. Without putting the first card back, he picks a second card at random.
a)
Dependent
b)
Independent
19.
Allie downloads a song from an online service. A few minutes later, a customer in another city searches for a song on the same site.
a)
Dependent
b)
Independent
20.
Clara brings a box of donuts to work that contains one donut in each flavor. First the secretary chooses one. Then the office manager makes a selection.
a)
Dependent
b)
Independent
21.
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
22.
What is the probability of landing on the orange section?
a)
1/4
b)
1/2
c)
2/4
d)
3/4
23.
What is the probability of rolling a cube and having it land as a six?
a)
1/6
b)
5/6
c)
1/3
d)
1/2
24.
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
25.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
26.
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
a)
8/26
b)
4/13
c)
8/25
d)
1/3
27.
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)
2/5
c)
5/7
d)
4/7
28.
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
29.
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.
30.
Determine the likelihood of the following event:
Drawing a red card from a standard deck of cards
Drawing a red card from a standard deck of cards
a)
1/2
b)
13/52
c)
1/4
d)
4/52
31.
What is the probability of the spinner landing on an odd number?
a)
1/2
b)
4/4
c)
1/4
d)
1/3
32.
What is the probability of choosing a marble
that is not green from the jar?
that is not green from the jar?
a)
10/20
b)
10/10
c)
3/20
d)
7/20
33.
Which color marble is least likely to be pulled from the jar?
a)
Green
b)
Red
c)
Blue
34.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
35.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
36.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
37.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
38.
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
39.
Sam is fishing in a new catch and release pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. He catches a fish, releases it, then catches another. What is the probability that he caught a bluegill, then a carp?
a)
1/40
b)
1/8
c)
3/124
d)
5/16
40.
Cesar's piggy bank has 8 quarters, 2 dimes, 4 nickels, and 6 pennies. He chooses a coin, does not replace it, then chooses another. What is the probability that he chose a dime then a nickel?
a)
1/50
b)
2/95
c)
1/10
d)
4/19
41.
A fruit basket contains
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?
a)
9/49
b)
4/125
c)
1/10
d)
1/30
42.
A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?
a)
2/3
b)
1/10
c)
6/71
d)
11/72
43.
Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?
a)
1 ⁄ 16
b)
1 ⁄ 2
c)
1 ⁄ 4
d)
1 ⁄ 8
44.
Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?
a)
1 / 16
b)
1 ⁄ 6
c)
1 ⁄ 8
d)
3 ⁄ 4
45.
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
46.
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?
a)
1/12
b)
1/4
c)
1/8
d)
1/2
47.
A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange?
a)
9/16
b)
3/4
c)
9/144
d)
5/16
48.
A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?
a)
17/26
b)
1/13
c)
5/13
d)
5/26
49.
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
50.
A bag contains 50 lottery balls, numbered 1-50. A ball is chosen at random, then a month of the year is selected. What is the probability of choosing a multiple of 3 and a month starting with the letter “M”?
a)
7/50
b)
8/125
c)
1/20
d)
4/75
51.
The two spinners above are spun. What is the probability of getting a perfect square (1,4,9,16), then the letter Z?
a)
3/20
b)
9/20
c)
1/8
d)
11/40
52.
Kaylee has 1 red, 3 blue, 2 brown, 5 black, 1 purple, and 4 pairs of pink flip-flops in her closet. Assuming she always replaces them, what is the probability that she will choose a blue pair on Monday and a pink pair on Tuesday?
a)
3/8
b)
4/75
c)
3/64
d)
15/32
53.
Sam is fishing in a new catch and release pond that was just stocked with 32 bluegill, 49 catfish, 27 bass, and 12 carp. He catches a fish, releases it, then catches another. What is the probability that he caught a bluegill, then a carp?
a)
5/24
b)
11/30
c)
2/75
d)
7/60
54.
A fruit basket contains 9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?
a)
9/49
b)
4/125
c)
1/10
d)
1/30
55.
A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys?
a)
1/6
b)
7/17
c)
3/8
d)
13/25
56.
A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?
a)
2/3
b)
1/10
c)
6/71
d)
11/72
57.
Clara picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
58.
Victor picks a card at random. Without putting the first card back, he picks a second card at random.
a)
Dependent
b)
Independent
59.
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
60.
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
61.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
62.
Based on the chart, what is the experimental probability of pulling a green marble?
a)
1/8
b)
8/25
c)
8/100
d)
7/8
63.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
64.
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
65.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
66.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
67.
What is the probability of spinning red?
a)
0
b)
1/2
c)
3/4
d)
1
68.
Experimental Probability is:
a)
What Will happen
b)
What actually happens
c)
What should happen
d)
What I think Happens
69.
In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor?
a)
144
b)
162
c)
225
d)
288
70.
The sections of spinner below are shaded red, blue, or green. Out of 24 spins, how many times will the spinner land on blue or green?
a)
16
b)
20
c)
12
d)
6
71.
There are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose?
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose?
a)
white
b)
blue
c)
red
d)
yellow
72.
The table shows the number of votes for different school mascots. Based on the information in the table, what is the most reasonable prediction of the number of votes for eagle out of the next 25 votes?
a)
72
b)
8
c)
1
d)
21
73.
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
74.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
75.
These 12 shapes are put into a bag. What is the probablity of reaching into the bag without looking and pulling out a square, NOT replacing the square and pulling out a second square?
a)
1/11
b)
1/9
c)
1/3
76.
While standing outside of the school waiting to go home, you notice that 3 out of every 12 students leaving school are on their cell phones. What is the probability that the next student leaving school will NOT be on his or her cell phone?
a)
25%
b)
30%
c)
75%
d)
70%
77.
100 second graders were asked to do a book report about one of these four zoo animals. The number of students who chose each animal is shown in the table. If 250 second graders had to choose of of the four animals, predict how many would choose to write about a giraffe.
a)
60 students
b)
50 students
c)
40 students
d)
30 students
78.
What is the formula for finding the probability of an event?
a)
P = possible outcomes/favorable outcome
b)
P = possible outcomes/total outcomes
c)
P = favorable outcome/possible outcomes
d)
P = favorable outcome/nonfavorable outcome
79.
What is the probability of getting heads when you flip a coin?
a)
Certain
b)
Likely
c)
Equally Likely
d)
Impossible
80.
You have 6 red marbles, 2 yellow marbles, and 1 blue marble. What is the probability you pull a red marble?
a)
Certain
b)
Likely
c)
Unlikely
d)
Impossible
81.
P(C or E) =
a)
2/8
b)
1/4
c)
4/8
d)
5/8
82.
You pick a marble from this bag.
What is the probability you will choose either a black or white marble?
What is the probability you will choose either a black or white marble?
a)
3/5
b)
9/100
c)
1/10
d)
2/5
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