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
What is the probability of NOT spinning green?
5/6
While eating lunch, 125 students were asked their favorite food. If there were 375 students, how many would like pasta?
42
What is the probability of selecting a red marble? Remember to simplify!
3/9 = 1/3
While eating lunch, 125 students were asked their favorite food. If the probability stayed the same and 290 students said they liked pizza, how many students were surveyed?
625
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
What is the probability of spinning red or blue? Remember to simplify!
2/6 = 1/3
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 spinning green or blue? Remember to simplify!
4/8 = 1/2
What is the probability of rolling a 6 on a standard number cube?
1/6
The spinner was spun 30 times and landed on grey 3 times. Find the experimental probability of landing on grey.
3/30 = 1/10
Last week, 75 people recorded how many movies they watched. If 300 people were to record their movies, how many would respond ONE MOVIE?
84
What is the probability of spinning red, yellow or blue? Remember to simplify!
3/6 = 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
What is the probability of selecting a yellow marble?
1/9
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