There are 5 blue marbles and 2 red marbles in a bag. What is the probability of drawing a blue marble?
5/7
100
If you roll a standard fair die, what is the probability that you will roll a 6?
1/6
100
You have a spinner with 4 equal sections: red, green, yellow and purple. What is the probability that when you spin, the arrow will land on green?
1/4
100
You have a spinner with 4 equal sections of orange, blue, red and black. The probability of spinning any color is 1/4. What kind of probability am I using.
theoretical probability
100
You toss a coin 60 times. How many times can you expect it to land heads up?
30
200
You have 5 blue marbles and 4 red marbles in a bag. What is the probability that you will draw a a red marble, replace it, and then a blue marble?
20/81
200
If you roll a standard fair die, what is the probability that you will roll a 7?
0/7 or 0
200
You have a spinner with 6 equal sections: 2 red, 1 green, 1 yellow and 2 purple. What is the probability that when you spin, the arrow will NOT land on purple?
2/3
200
A coin is tossed 100 times. Fifty-two outcomes are heads. The probability of heads is 52/100 or 13/25. What type of probability is being used?
experimental probability
200
You roll a number cube with 6 sides. How many times can you expect to roll a 5 if you roll the number cube 198 times?
33
300
You have a bag with 2 green marbles, 3 red marbles and 5 yellow marbles. What is the probability that you will draw a green marble, NOT replace it, and then draw a red marble?
1/15
300
If you roll a standard fair die, what is the probability that you will roll a prime number?
1/2
300
You have a spinner with 4 equal sections: red, green, yellow and purple. What is the probability that you will spin and the arrow will land on green, then spin again and land on yellow?
1/16
300
A number cube is rolled 60 times. Twelve outcomes are the number 3. What is the experimental probability of rolling a 3?
1/5
300
You have a spinner with 5 equal sections labeled A, B, C, D and E. If you spin the spinner 50 times, how many times can you expect it to land on a vowel?
20
400
You have a bag of marbles: one black, 2 orange and 3 purple. What is the probability that you will draw a black, then orange, then purple (replacing them each time)?
1/36
400
If you roll one number cube twice, what is the probability that you will roll a 2, and then an even number?
1/12
400
You have two spinners. One spinner has 5 equal sections: red, green, yellow, blue and purple. The other spinner has 6 sections labeled 1-6. What is the probability that you will land on green and 2?
1/30
400
A number cube is rolled 60 times. The results were
1-14 times, 2-6 times, 3-12 times, 4-8 times 5-7 times and 6-13 times. What is the theoretical probability of rolling a 3?
1/6
400
The probability of being chosen for drill team is 2/28. If 560 students try out for drill team, how many can expect to be chosen?
20
500
You have a bag of marbles: one black, 2 orange and 3 purple. What is the probability that you will draw three purple (WITHOUT replacing them each time)?
1/20
500
If you roll two dice at once, what is the probability that you will roll a sum of 8?
5/36
(36 possibilities... favorable 2+6, 3+5, 4+4, 5+3 and 6+2)
500
You have two spinners. One spinner has 5 equal sections: 2 red, 1 yellow, 1 blue and 1 purple. The other spinner has 6 sections labeled 1-6. What is the probability that you will land on red and an odd number?
1/5
500
Explain the difference between theoretical probability and experimental probability.
theoretical probability is what SHOULD actually happen, experimental probability is based on the outcomes obtained from an experiment
500
Amy counted the number of candies from a bag. She had 4 red, 3 yellow, 2 green and 6 purple candies. How many purple candies can she expect to be in a larger bag of 90 candies?