Theoretical probability
Experimental probability
Outcomes of compound events
Probability of independent and dependent events
100
7 8 9
What is P(divisor of 42)?
Simplify your answer and write it as a fraction or whole number.
1/3
100
Lillian is sitting on a bench in the mall. She noticed that 3 out of the last 15 men who walked by had a beard. What is the experimental probability that the next man to walk by will have a beard?
Simplify your answer and write it as a fraction or whole number.
1/5
100
You pick a card and spin the spinner. How many outcomes are possible?
V W X
3 4 5 6 7 8
18
100
You spin the spinner twice.
4 5 6 7
What is the probability of landing on a 4 and then landing on a 6?
Simplify your answer and write it as a fraction or whole number.
1/16
200
You flip a coin.
What is P(not tails)?
Write your answer as a percentage.
50%
200
Of the recent customers at Burger Haven, 2 wanted cheese on their burgers and 14 did not. What is the experimental probability that the next customer will want cheese on his or her burger?
Simplify your answer and write it as a fraction or whole number.
1/8
200
You roll a die and spin the spinner. How many outcomes are possible?
D E F G
24
200
You pick a card at random. Without putting the first card back, you pick a second card at random.
4 5 6
What is the probability of picking a 5 and then picking a 4?
1/6
300
You pick a card at random.
4 5 6 7
What is P(greater than 6)?
Write your answer as a percentage rounded to the nearest tenth.
25%
300
Meg surveyed some students at her school about their favorite professional sports. Of the students surveyed, 2 said football was their favorite sport, while 8 of the students had other favorite sports. What is the experimental probability that the next student Meg talks to will pick football?
Simplify your answer and write it as a fraction or whole number.
1/5
300
ou spin the spinner, pick a card, and find the sum. How many different sums are possible?
Spinner: 3 4 5 6 7 8
Cards: 4 5
7
300
You flip a coin twice.
What is the probability of getting heads and then getting tails?
Simplify your answer and write it as a fraction or whole number.
1/4
400
You spin the spinner once.
1 2 3 4 5 6 7
What is P(less than 5 or prime)?
6/7
400
On the last day of a Shakespeare class, an English teacher asked her students which play they liked the best, and she recorded the results to date.
Hamlet 2
Twelfth Night 8
A Midsummer Night's Dream 2
What is the experimental probability that the next student to respond likes Hamlet best?
Simplify your answer and write it as a fraction or whole number.
1/6
400
You spin the spinner and pick a card. How many outcomes are possible?
7 8
1 2 3 4 5 6 7 8
16
400
You pick a card at random. Without putting the first card back, you pick a second card at random.
1 2 3 4
What is the probability of picking a 3 and then picking a divisor of 24?
Write your answer as a percentage.
25%
500
You spin the spinner once.
2 3 4 5 6 7 8 9
What is P(prime)?
Write your answer as a percentage rounded to the nearest tenth.
50%
500
At a dance camp, students must specialize in one style of dance. The lead instructor looked up which specialties the students chose last summer.
ballroom dance 20
ballet 8
modern 4
hip-hop 2
jazz 52
What is the experimental probability that the next student to sign up for camp this summer will specialize in ballroom dance?
Simplify your answer and write it as a fraction or whole number.
10/43
500
You roll each die and find the sum. How many different sums are possible?
16
500
You roll a 6-sided die two times.
What is the probability of rolling a 5 and then rolling a divisor of 24?
Write your answer as a percentage rounded to the nearest tenth.
13.9%