Vocabulary
A number from 0 to 1 that measures the likelihood that an event will occur.
Sample
Probability
Outcomes
Favorable Outcomes
Probability
Convert 1/4 into a decimal.
0.25
What is the probability of rolling a 6 on a six-sided dice?
100%
6/6
1/6
2/6
0
1/6
Cathy has a collection of 15 bows that she keeps in a basket. The probability of picking out a pink bow is 1/5. How many pink bows are in the basket?
3
A student gets 100% on every piece of homework and math test they take this year. What is the likelihood that they will move on to the next grade level?
Likely
Unlikely
As likely as not
Impossible
Certain
Certain
What is the correct vocab word that goes with this definition:
An investigation or procedure that has varying results.
Dependent Events
Experiment
Experimental Probability
Event
Experiment
Convert 2/8 into a percent.
25%
What is the probability of spinning an even number on an equally likely spinner with the numbers 1,2,3,4, and 5?
1/5
2/5
3/5
4/5
5/5
2/5
The probability of a soccer team winning a game is 70%. If they are predicted to win 10 games, how many total will they play during the season? Round to the nearest whole number.
About 14 games.
The weather man says there is a 75% chance it is going to rain today. What is the likelihood of this event?
Likely
Unlikely
Certain
Impossible
Likely
Which vocab word goes with this definition:
Probability that is based on repeated trials of an experiment.
Theoretical probability
Experimental probability
Trials
Event
Experimental Probability
Convert 110% into a decimal.
1.1 or 1.10
What is the probability of spinning a number less than 5 on an equally likely spinner numbered 1 through 5?
100%
80%
60%
40%
20%
80%
There are 30 marbles in a bag. 10 are blue, 9 are yellow, and 11 are green. What is the probability of choosing a yellow marble? Write your answer as a decimal and percent.
0.3 and 30%
What is the likelihood that a coin lands on tails?
Unlikely
Certain
Impossible
Likely
As Likely As Not
As Likely As Not
What is the vocab word that goes with this definition:
The ratio of the number of favorable outcomes to the number of possible outcomes when all possible outcomes are equally likely.
Theoretical Probability
Experimental Probability
Experiment
Event
Theoretical Probability
Convert 0.987 into a percent.
98.7%
Which probability could represent this likelihood: A weatherman predicts that the chance of rain today is certain.
50%
75%
100%
10%
100%
You and your best friend are making food for a large picnic. You make 7 ham sandwiches, 3 cheese sandwiches, 6 turkey sandwiches, and 4 veggie sandwiches. What is the probability of getting a turkey sandwich? Write your answer as a fraction in simplest form.
3/10
What is the Likelihood that we are outside right now?
Likely
Unlikely
Impossible
Certain
Impossible
Convert 0.291 into a fraction.
291/1000
What is the probability that you will live to be 1000 years old?
0.00
1.00
0.05
0.50
0.00
You are playing a game with 8 purple straws, 6 black straws, 4 white straws, and 2 yellow straws. What is the probability of NOT picking a white straw? Write your answer as a percent.
80%
If p represents the probability of an event, what is the probability of an unlikely event?
0
0.25
50%
3/4
1
0.25