What is the probability of rolling a 6 on a standard number cube?
1/6
What is the probability of spinning red or blue? Remember to simplify!
2/6 = 1/3
What is the probability of NOT spinning green?
5/6
What is the probability of spinning green or blue? Remember to simplify!
4/8 = 1/2
What is the probability of NOT rolling a 4 on a standard number cube?
5/6
What is the probability of rolling a number less than 4 on a standard number cube? Remember to simplify!
3/6 = 1/2
The spinner was spun 30 times and landed on grey 3 times. Find the experimental probability of landing on grey.
3/30 = 1/10
What is the probability of spinning red, yellow or blue? Remember to simplify!
3/6 = 1/2
The probability of selecting a purple marble marble is 2/9. If there were 27 marbles and the probability stayed the same, how many purple marbles would there be?
6
There are 3 red marbles and a total of 9 marbles. If the total marbles increased to 18, and the probability stayed the same, how many red marbles would there be?
6
There are 3 red marbles and a total of 9 marbles. If the number of marbles increases to 18, and the probability stays the same, how many marbles would be red?
6
What is the probability of selecting a yellow marble?
1/9
What is the probability of selecting a red marble? Remember to simplify!
3/9 = 1/3
You surveyed 20 people about their favorite type of music. Based on the results, if you surveyed 100 people, how many would like rock music?
25
