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WorksheetsProbability and Making Predictions
Total questions: 147
Worksheet time: 12hrs 15mins
*Remember to simplify.*
P(green) =
Find the probability that all flips will land on tails.
P(white, then purple, then black)
What is the probability that you choose blue? *simplify
5 green
6 yellow
8 blue
7 brown
8/26
4/13
8/25
1/3
What is the probability of spinning a 2 on the spinner?
1/2
1/3
1/8
1/4
What is the probability the spinner stops on yellow?
.05
50%
25%
3/8
What is the probability of the spin stopping on yellow?
1/4
.25
50%
75%
What is the probability of spinning an even number?
16 2/3%
33 1/3%
50%
75%
Find the probability of rolling a 7 on a single die.
1/6
7/6
0
7/7
A box has 3 limes, 5 grapes, and 2 oranges.
P (NOT lime)
3/10
30%
7/10
Answer Not Here
Marvin has a standard deck of cards.
P (Ace or 5)
1/13
2/13
1/26
8/50
The list shows all possible outcomes for which experiment?
S = { (heads, heads), (heads, tails),
(tails, tails), (tails, heads) }
Flipping a coin one time
Flipping a coin two times
Flipping a coin three times
Flipping a coin four times
Amelia receives a treat bag. The treat bag contains 10 gumballs, 5 pixie sticks, 2 bracelets, and 3 chocolates. If Amelia selects 3 items from her treat bag without looking and gives them to her sister, which could NOT represent a possible outcome for the items Amelia selects?
gumball, gumball, gumball
pixie stick, gumball, chocolate
bracelet, bracelet, bracelet
gumball, gumball, pixie stick
Find the probability that all flips will land on tails.
Find the probability of these 3 events.
P(red, odd, 3)
What is the probability you will choose either a black or white marble?
What is the probability you will roll a 4, then roll a number less than 3?
Gabriel has these cans of soup in his kitchen cabinet.
• 2 cans of tomato soup
• 3 cans of chicken soup
• 2 cans of cheese soup
• 2 cans of potato soup
• 1 can of beef soup
Gabriel will randomly choose one can of soup. Then he will put it back and randomly choose another can of soup. What is the probability that he will choose a can of tomato soup and then a can of cheese soup?
2/5
1/25
2/45
1/5
Melissa rolled a number cube that has sides labeled 1 to 6. What is the probability that she rolled a 2 or a 3?
1/6
1/3
1/2
3/4
i from the word probability?
that is not green from the jar?
What is the P( not purple) on this spinner?
2/5
1/5
4/5
3/5
A
B
C
D
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
A
B
C
D
A
B
C
D
F
G
H
J
F
G
H
J
Felicia bought 12 packets of tomato seeds. Each packet contained 24 seeds. She planted 1 packet of the seeds, and 15 seeds sprouted.
Which statement about the seeds in the remaining packets is best supported by this information?
No more than 100 seeds will sprout.
Between 150 and 200 seeds will sprout.
At least 200 but no more than 264 seeds will sprout.
All 264 seeds will sprout.
The table shows the number of bottles of different kinds of juice sold at a cafeteria on Monday.
If the cafeteria has 200 customers on Tuesday, which prediction for Tuesday is NOT supported by the data in the table?
The number of bottles of cranberry juice sold will be 15 more than the number of bottles of pineapple juice sold.
The number of bottles of apple juice sold will be 6 times the number of bottles of cranberry juice sold.
There will be a total of 125 bottle of orange and cranberry juice sold.
The difference between the number of bottles of apple juice sold and the number of bottles of pineapple juice sold will be 35.
Felicia has 100 pictures in an album. Of these pictures, 60 show her friends, 24 show her family, and 16 show only Felicia. Felicia is in 21 of the pictures that show her friends and 21 of the pictures that show her family.
Based on this information, which statement is true?
The probability of randomly selecting a picture that shows Felicia with her friends is greater than the probability of randomly selecting a picture that shows Felicia with her family.
The probably of randomly selecting a picture that shows Felicia is 16%
The probability of randomly selecting a picture that shows Felicia with her family is 5 times the probability of randomly selecting a picture that shows only her friends.
The probability of selecting a picture that does not show Felicia is 42%.
The manager of a movie theater randomly surveyed 100 people who entered the movie theater on Friday. The manager asked about the type of movie each person preferred. The results of the survey are shown in the table.
Based on the results in the table, which statement about a person who will go to this theater next Friday is true?
The person is six times as likely to prefer comedy as horror.
The person is twice as likely to prefer drama as horror.
The person is less likely to prefer horror or drama than action.
The person is more likely to prefer horror or comedy than action or drama.
The 100 students in a school band will attend an awards dinner. A random survey of 25 of these students was conducted to determine how many of each meal should be prepared for the dinner. The results are shown.
12 students want a beef meal.
8 students want a chicken meal.
5 students want a pasta meal.
Based on the survey results, which of these is the best prediction of the meals want by the 100 students?
There are 8 students who want a beef meal.
There are 13 students who want either a chicken meal or a pasta meal.
There are 16 more students who want a beef meal than want a chicken meal.
There are 12 more students who want a pasta meal than want a chicken meal.
Felicia has two bouquets of flowers. Each bouquet contains 26 daisies.
Bouquet S contains 60 flowers.
Bouquet T contains 26 flowers.
Which statement is true?
The probability of randomly selecting a daisy from Bouquet S is less than the probability of randomly selecting a daisy from Bouquet T.
The probability of randomly selecting a daisy from Bouquet S is 1.
The probability of randomly selecting a daisy from Bouquet S is equal to the probability of randomly selecting a daisy from Bouquet T.
The probability of randomly selecting a daisy fro Bouquet S is 31 .
A store manager receives a delivery of 2 boxes of lightbulbs. Each box contains 50 lightbulbs. The store manager tests all the lightbulbs and finds that 4 of them are defective. Based on these results, what can the store manager predict about the next delivery of lightbulbs?
A delivery of 3 boxes will contain 3 more defective lightbulbs than a delivery of 2 boxes.
A delivery of 4 boxes will contain 4 more defective lightbulbs than a delivery of 2 boxes.
A delivery of 5 boxes will contain 20 more defective lightbulbs than a delivery of 2 boxes.
A delivery of 6 boxes will contain 6 more defective lightbulbs than a delivery of 2 boxes.
Felicia has a bucket of golf balls. The table shows the number of golf balls of each color in the bucket.
Felicia selects a golf ball at random. Based on the information in the table, which statement is true?
The golf ball is more likely to be green than all the other colors combined.
The golf ball is equally likely to be pink, white, orange, or green.
The golf ball is 2 times as likely to be orange as it is to be pink.
The golf ball is 7 times as likely to be green as it is to be white.
Felicia surveyed customers in a restaurant to find out their favorite meal. The results of the survey are shown in the table.
One person in the restaurant will be picked at random. Based on the given information, which statement is true?
This person's favorite meal is twice as likely to be hamburger as it is to be spaghetti.
This person's favorite meal is four times as likely to be chili as it is to be vegetarian.
This person's favorite meal is more likely to be chili than hamburger.
This person's favorite meal is equally likely to be either vegetarian or spaghetti.
Marcus spins a spinner like the one pictured above. What are the odds against the spinner landing on a vowel?
1 to 4
1 to 3
3 to 1
4 to 1
Jade put 3 green tiles, 7 red tiles, and 11 orange tiles in a box. If she closes her eyes and picks a tile, what is the probability that the tile will NOT be green?
1/7
1/3
11/21
6/7
Bill reaches into a bag filled with colored tiles and chooses 1 tile. The bag has 5 blue tiles, 4 green tiles, 3 yellow tiles, and 8 red tiles. What is the probability that Bill will choose a tile that is NOT green?
1/5
1/4
3/4
4/5
*Remember to simplify.*
What is the probability of spinning a 2 on the spinner?
1/2
1/3
1/8
1/4
A box has 3 limes, 5 grapes, and 2 oranges.
P (NOT lime)
3/10
30%
7/10
Answer Not Here
What is the probability you will choose either a black or white marble?
Devin has a bag containing 2 blue marbles, 3 red marbles, and 3 green marbles. What is the probability of Devin pulling a blue marble, not replacing it, and then pulling a marble OTHER THAN THE BLUE from the bag?
6/28
1/4
6/7
3/14
A study of population of 600 frogs revealed that 6 out of every 90 frogs in the population have spots on their back. Based on the results of this study, how many frogs in the population do NOT have spots on their back?
40
84
640
560
Felicia flipped three coins during a probability experiment. The outcomes of the first 80 trials are shown in the table.
Based on the information in the table, in how many of the next 240 trials will the outcome be exactly two of the coins showing heads?
120
174
78
96
At an assembly 6 out of the first 10 students who entered the gym were carrying a backpack. Based on this information, if 600 students were at the assembly, how many students could be expected to be carrying a backpack?
36000
360
3600
36
Larissa is planning on doing a magic trick for her friend Tom. She holds these playing cards in her hand. If Tom draws a card at random, what is the probability that he will draw a heart?
4 out of 10
4 out of 9
3 out of 9
3 out of 10
The cards shown above are picked up, shuffled, and placed facedown in a stack. What is the probability that the top card in the stack does NOT have an odd number on it?
1/3
1/2
4/9
5/9
Cleo is making a model of the 9 planets in the solar system, and she needs Mars and Pluto. The clerk at the hobby shop draws a planet at random from a bin that has one of each planet in the solar system. What is the probability that he will NOT draw one of the two planets Cleo needs?
1/9
2/9
2/3
7/9
Marcus spins a spinner like the one pictured above. What are the odds against the spinner landing on a vowel?
1 to 4
1 to 3
3 to 1
4 to 1
Jade put 3 green tiles, 7 red tiles, and 11 orange tiles in a box. If she closes her eyes and picks a tile, what is the probability that the tile will NOT be green?
1/7
1/3
11/21
6/7
Bill reaches into a bag filled with colored tiles and chooses 1 tile. The bag has 5 blue tiles, 4 green tiles, 3 yellow tiles, and 8 red tiles. What is the probability that Bill will choose a tile that is NOT green?
1/5
1/4
3/4
4/5
Each group for the presentations was named by letter. Groups were named A–H. The letters were put into a hat to decide which group did the presentation first.
A B C D E F G H
What is the probability that Group A or Group C will go first?
6 out of 8
4 out of 8
2 out of 8
8 out of 8
150 of the 300 students at Smith Middle School are in band. Of those, 10% play saxophone. Next year, enrollment is expected to reach 400 students. About how many of those students will play saxophone? 7.6.C
15
17
20
23
Last season, the Blue Jays won 8 out of 12 games. Next season they will only play 9 games. How many will they likely win, based on last season? 7.6.C
6
7
8
9
On Marnie’s street, 12 of the 20 houses put up holiday decorations. Based on this information, how many houses out of the 160 in Marnie’s neighborhood will likely put up holiday decorations? 7.6.C
12
20
80
96
This year, 60 of the 300 middle school students at Bailey Middle School signed up for art. Next year, enrollment is expected to increase to 340 students. About how many students will likely sign up for art? 7.6.C
68
70
72
74
The table above shows the number of T-shirts sold at a booth last week. The vendor orders shirts for two weeks at a time. Based on the table, which of the following statements is true? The T-shirt vendor should order one dozen yellow shirts for the next two weeks. 7.6.C
The T-shirt vendor should only order black shirts for the next two weeks.
The T-shirt vendor should order 2 dozen black shirts for the next two weeks.
The T-shirt vendor should order 124 black shirts for the next two weeks.
The T-shirt vendor should order one dozen yellow shirts for the next two weeks.
Out of 40 mothers giving birth to fraternal twins, about how many will give birth to twin girls? 7.6.D
4
10
20
50
Which of the following would you expect to happen 25 of the next 50 trials?
I. Flipping tails on a coin
II. Rolling an even number on a 6-sided number cube
III. Drawing the one clear marble out of a bag of five marbles
I and III only
I and II only
II and III only
III only
Brayden uses a computer simulation to throw darts. Out of the 20 sections on the dart board, 4 are
blue. Out of 15 throws, how many times will he likely land on a blue section? 7.6.D
3
4
5
7
F
G
H
J
A
B
C
D
F
G
H
J
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
