Outcomes and Events
You roll a 12-sided number cube. List the possible outcomes.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
12 possible outcomes
There is a 52% chance it will hail tomorrow. Describe the likelihood of the event.
It is equally likely and unlikely that it will hail tomorrow.
Kelly spun a spinner 35 times. She recorded her results in the table provided. What is the experimental probability of the spinner landing on the pink section?
Green-11
Yellow-4
Blue-7
Pink-13
13/35 or 37.14%
What is the theoretical probability of flipping a coin and landing on tails?
0.5 or 50%
What are the favorable outcomes of rolling an even number on a 9-sided di? List the outcomes.
2, 4, 6, 8
4 favorable outcomes
The doctor tells you that they are 79% positive you broke your arm. Describe the likelihood of your arm being broken.
Your arm is likely to be broken.
Kelly spun a spinner 27 times. She recorded her results in the table provided. What is the experimental probability of the spinner landing on yellow?
Green-5
Red-9
Yellow-3
Purple-10
3/27 = 1/9 or 11.11%
What is the theoretical probability of rolling a number cube and landing on a 5?
1/6 or 16.67%
What are the favorable outcomes of choosing a vowel in the following word? List the outcomes.
L-A-B-R-A-D-O-O-D-L-E
A, A, O, O, E
5 favorable outcomes
You roll a 13-sided number cube. What is the probability of rolling an even number?
6/13 or 46.15%
Marco rolled a number cube 50 times. He recorded his results in the table below. Is the experimental probability of rolling a 4 more likely, less likely, or equally likely as unlikely?
#1 - 5 times
#2 - 8 times
#3 - 12 times
#4 - 7 times
#5 - 9 times
#6 - 9 times
7/50 = 0.14 = 14%
The experimental probability of rolling a 4 is unlikely.
Six balls numbered from 1 to 6 are placed in a bag. If one ball is selected at random, what is the theoretical probability that it is an odd-numbered ball?
3/6 = 1/2 or 50%
You spin a spinner that has 8 sections. 3 are red, 2 are blue, 1 is purple, and 2 are green. In how many ways can spinning green occur?
2 ways
A - 7 students
B - 14 students
C - 3 students
The list above are the scores from the previous Math test. What is the probability that a randomly chosen student got a C on the test?
1/8 or 12.5%
You toss a coin 30 times and get 12 heads. The experimental probability of getting heads is ______.
12/30 = 2/5 or 40%
Jennie randomly selected 40 M&M's from a bag and recording the 4 colors she pulled in the table below. What is the theoretical probability of pulling a yellow M&M from the bag?
Blue - 10
Green - 10
Red - 12
Yellow - 8
1/4 or 25%
You spin a spinner that has 8 sections. 3 are red, 2 are blue, 1 is purple, and 2 are green. What are the favorable outcomes of choosing not red? List the favorable outcomes.
5 ways
blue, blue, purple, green, green
A replica of a stadium has 5/17 handicap accessible seating. If the actual stadium has 75 handicap accessible seating, then how many rows does the actual stadium have?
255 rows
A number cubed is rolled 390 times. The number 3 comes up 63 times. What is the experimental probability of rolling a 3?
63/390 = 21/130 or 16.15%
Ms. Stanley asks you to guess her favorite color from the provided list. What is the theoretical probability of guessing the correct color?
Blue
Purple
Grey
1/3 or 33.33%