WorksheetsMath 7/8 Probability Review
Total questions: 35
Worksheet time: 2hrs 45mins
Valeria is playing a number game where she has two tiles for each number from 0 to 9. A tile is chosen at random. List the favorable outcome for choosing an 2?
20
2, 2, 2
2
2 and 2
Valeria is playing a number game where she has two tiles for each number from 0 to 9. A tile is chosen at random.List the favorable outcome for not choosing an even number?
1, 1, 3, 3, 5, 5, 7, 7, 9, 9
1, 3, 5, 7, 9
2, 2, 4, 4, 6, 6, 8, 8, 0, 0
0, 2, 4, 6, 8
What is the probability of flipping a coin
3 times and getting 3 heads?
1/8
1/4
1/2
3/4
The spinner is spun two times. Determine the probability of landing on red the first spin and on green the second spin .
1/9
1/10
0
1/12
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?
1/12
1/4
1/8
1/2
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?
3
1/10
3/10
30%
The theoretical probability of rolling an even number on a dice.
3/6
1/2
1/6
5/6
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
1/9
2/9
5/21
10/21
What type of probability is a way of estimating the probability of an event happening based on repeated trials?
Experimental Probabillity
Theoretical Probability
What type of probability is used to find the probability of an event when all outcomes are equally as likely. "What COULD happen"
Experimental Probability
Theoretical Probability
Jon made 15 out of 35 free throws.
What is his experimental probability as a fraction?
**SIMPLIFY THE FRACTION!**
3/7
15/35
1/2
5/7
Theoretically what is your chance of making a free throw?
Pick out your answer written as a percent.
25%
50%
75%
100%
Kate spun the spinner 75 times and landed on "3" thirty times.
What is the experimental probability as a percentage?
20%
30%
40%
50%
Theoretically, what is the probability that you will land on a 3?
25%
50%
75%
0%
Sarah hit the ball 3 times out of the 8 times.
What is the experimental probability (as a percent) that she will hit the ball next?
22.5%
37.5%
45%
3%
A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find each probability.
P (penny, then dime).
1/8
9/100
6/65
17/195
Find the probability of each set of independent events.
drawing a black checker from a bag of 6 black checkers and 4 red checkers, replacing it, and drawing another black checker.
2/3
9/25
2/5
3/5
Find the probability of each set of independent events.
rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.
1/12
1/6
1/8
1/2
A standard die is rolled twice. Find each probability.
P (odd both times)
1/2
1/4
2/3
1/9
What is an event that will happen or has a probability of 1?
theoretical
probability
mutually exclusive
certain
outcome with the same chance of occurring
mutually exclusive
impossible
equally
independent
a situation involving doing the activity that leads to results or outcomes.
complement
outcome
dependent
experimental
an event with a probability of zero
impossible
mutually exclusive
outcome
outcome
Mathematical calculation that an even will happen in theory.
odds
theoretical probability
outcomes
dependent event
A bag contains 5 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a red cube, replacing it, and then drawing a white cube?
independent
dependent
A bag contains 2 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a white cube, not replacing it, and then drawing a dotted cube?
dependent
independent
A bag contains 2 striped cubes, 5 dotted cubes, 5 white cubes and 3 red cubes. What is the probability of drawing two striped cubes in succession, without replacing the first cube drawn?
independent
dependent
