Chris is flipping a coin. What is the theoretical probability the coin will land on heads?
What is 1/2, 0.5, or 50%?
Fairen flipped a coin 10 times and landed on heads 4 times. What is the experimental probability of landing on heads?
What is 2/5, or 0.4, or 40%?
If you flip a coin 10 times, about how many times should it land on heads?
The carousel at the fair has 30 horses and 14 of them are standing horses. What is the probability of randomly selecting a standing horse?
What is 7/15, or 0.47, or 47%?
Patrick rolled a die twenty times. He landed on 2 five times, 3 seven times, 6 two times, and 5 six times. What is the experimental probability of landing on 6?
1/10, 0.1, or 10%
How likely is it that a standard number cube is tossed and lands on 3?
Unlikely
Madelyn has 30 marbles in a bag. The theoretical probability of choosing a green or blue marble is 1/2. How many marbles are blue or green?
15 blue or green marbles
How likely is it that a standard number cube is tossed and it lands on 8?
Impossible
Jake recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Mocking Jay = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3
1/5, or 0.20, or 20%
There are 20 students in Mrs. Fowler's TigerTime group. The theoretical probability of choosing a female student to answer a question is 40%. How many girls are in the class?
8 girls
Describe the difference between events that are certain, likely, unlikely, or impossible.
Certain would be 100% of the time, likely is anything greater than 50% of the time, unlikely is anything less than 50% of the time, and impossible is anything that has a 0% chance of occuring.
How likely is it that a standard number cube is tossed and lands on any number 1-6?
Certain
Jett spins a spinner with 5 equal sections numbered 1-5. What is the probability he will spin and land on a prime number?
What is 3/5 or 0.6 or 60%?
Jaxson has a spinner with 5 equal sections, each a different color. After 10 spins, the pointer had landed on red 40% of the time. 40% represents the...
Harli has a 0.2 chance of winning Mrs. Fowler's raffle. If there are 30 tickets in the bucket, how many of the tickets have Harli's name on it?
6
How likely is it that a standard number cube lands on 2 AND a coin lands on heads?
unlikely