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WorksheetsTMS 7th Grade Probability Review
Total questions: 40
Worksheet time: 2hrs 45mins
What is the probability of randomly selecting an odd number from the numbers 1 -15?
8/15
1/2
7/15
1/8
A number cube is rolled. What is the likelihood that a number less than or equal to three is rolled?
unlikely
equally likely
likely
certain
A coin is flipped and a standard number cube is rolled. How many outcomes are possible?
2
6
12
8
In a game the player wins if he rolls a 4 on a number cube. If the number cube is rolled 24 times, then what is a reasonable prediction for the number of unsuccessful rolls?
5
20
4
24
Which of the following has a certain likelihood of occurring?
A field goal will be made by the kicker
There is a 70% of rain on Monday
Next month has less than 30 days
A coin will land on either heads or tails
Two coins are flipped. What is the probability that both of the coins land heads up?
1/2
1/4
1/6
1
At a school assembly 3 out of the first 10 students were wearing spirit wear. Based on this information, if 400 students were at the assembly, then how many students could be expected to be wearing spirit wear?
120
40
30
280
In a game the player wins if he rolls a 6 on a number cube. If the number cube is rolled 36 times, then what is a reasonable prediction for the number of successful rolls?
6
12
18
24
Two coins are flipped. What is the probability that both of the coins land heads up?
1/2
1/4
1/6
1
What is the probability you spin something larger than 10
5
3/10
10/15
3/8
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? Fraction must be in lowest terms.
2/18
1/9
2/20
1/10
What is the probability you spin an odd number and not yellow?
5/18
1/9
1/3
4/9
Find the probability of drawing a 10 from a standard deck of 52 cards.
1 out of 52
13 out of 52
26 out of 52
1 out of 13
Action: Spin the spinner
What is the sample space?
A, B, C, F
A, A, B, C, E, E, E, F
5 letters
8 sections
How many total outcomes are there?
You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?
12 outfits
22 outfits
3 outfits
7 outfits
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red? Write it in simplest form. Fraction must be written in lowest terms.
3/10
3/9
1/9
1/3
Rolling a 15 on a standard six-sided number cube is:
Impossible
Certain
Unlikely
Equally Likely
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 yellow? Select the correct percentage.
10%
15%
20%
25%
A die (numbered 1-6) is rolled 42 times. How many times do you predict (based on theoretical probability) the die will land on a number greater than 4?
7
9
14
21
What is the probability when rolling a number die that it lands on a prime number? (Hint: Reminder that 1 is neither prime nor composite)
1/6
1/3
1/2
2/3
For an experiment, you roll two dice and record the results. This experiment is an example of:
dependent events
independent events
For an experiment, you roll a number cube and spin a spinner. This experiment is an example of:
independent events
dependent events
For an experiment, your friend takes a card from your 52 card deck, puts the card on the table, and then draws a second card from the deck. This is an example of:
independent events
dependent events
Sarah rolls two dice at the same time. What is the probability that she will roll two 6s? (Please make sure the fraction is in lowest terms)
1/3
1/6
1/12
1/36
I roll two standard dice. The total number of outcomes is
12
18
24
36
I have four marbles in a bag: 1 green, 1 purple, 1 yellow, 1 red.
I reach into the bag and pull out a marble, record the results, and put the marble back into the bag. I reach into the bag a second time to pull out a marble and record my results. What is the probability of getting a purple both times?
1/4
1/8
1/12
1/16
I have four marbles in a bag: 1 green, 1 purple, 1 yellow, 1 red.
I reach into the bag and pull out a marble, record the results, and put the marble back into the bag. I reach into the bag a second time to pull out a marble and record my results. What is the probability of getting a green and then a yellow?
1/4
1/12
1/16
2/3
I plan to spin both of the spinners. What is the probability I will spin a red on the first spinner (left) and an even number on the second spinner (right)? (Please make sure the fraction is in lowest terms).
3/20
2/9
1/10
2/5
Answer not shown.
I plan to spin both of the spinners. What is the probability I will spin a green or yellow on the first spinner (left) and an odd number on the second spinner (right)? (Please make sure the fraction is in lowest terms).
1/5
2/5
3/10
3/20
Answer Not Shown
Two coins are tossed. What are all the possible outcomes?
HH, TT
HT, TT, HH
HH, TT, HT, TH, TH, HT
TH, HT, HH, TT
There are 10 seventh graders who bought tickets for a raffle, including you and your best friend. What is the probability that you and your best friend will be the first and second names drawn in the raffle?
1/90
1/100
1/25
2/50
Answer not shown.
You get to walk through the dessert bar and create your own ice cream sundae. First you must choose between a bowl or a cone. Second, you get to choose a flavor of ice cream (only one) from the following: chocolate, vanilla, mint chocolate chip, cookie dough, strawberry, and peanut butter. Lastly, you may choose one topping: sprinks, chocolate sauce, or caramel sauce. How many unique desserts are possible? (Hint: use the Fundamental Counting Principle)
12
18
25
36
48
You spin each of the spinners one time each. What is the probability you will get a one on both spinners?
1/10
1/20
2/15
2/9
Two dice are rolled, and the results recorded. What is the theoretical probability that at least one die landed on an even number? (Please make sure the fraction is in lowest terms).
15/36
3/4
33/36
1/2
Answer not shown
Two dice are rolled, and the results recorded. What is the theoretical probability that product of the dice is exactly 12?
1/9
1/6
1/3
1/4
Answer not shown
Two dice are rolled, and the results recorded. What is the probability that the dice will have a sum of 8?
1/4
1/18
1/6
5/36
7/36
