Theoretical Probability
If you flip a coin, what is the probability of getting tails.
1/2 or 50%
8/20 or 40%
Is it Impossible, Unlikely, Likely, or certain that you will pick a blue marble in a bag full of blue marbles.
Certain
Mr. Shafer gave an assignment that was worth 25 points. If you got 20 out of the 25 points what grade (as a percent) would you have?
80%
1+1
2
You spin a wheel with different colors on it. 3 reds, 4 blues, and 5 greens. What is the experimental probability of you landing on blue.
4/12 or 33%
20/60 or 33%
Is it Impossible, Unlikely, Likely, or certain that you will roll a 3 on a 3 sided dice.
Unlikely
In a class, 65% of the children are boys. What percent are girls?
35%
300+300
600
You have a bag of marbles. 5 orange, 7 green, and 8 red. What is the theoretical probability of you picking orange.
5/20 or 25%
If it snowed 24 days in the past 30 days, what is the experimental probability.
24/30 or 80%
Is it Impossible, Unlikely, Likely, or certain that you roll an odd number on a 7 sided dice.
likely
In a group of children, 78% can swim. What percent are non-swimmers?
22%
1000+1009
2009
You randomly chose a card from a deck of 7. What is the theoretical probability of you choosing a face card when there are 2 face cards.
2/7 or 29%
If 16 ducks flu to the lake in the past 18 days, what is the experimental probability.
16/18 or 88%
Is it Impossible, Unlikely, Likely, or certain that you roll 1,2,3,4,5 or 6 on a 6 sided dice.
Certain
38% of the animals in a dog and cat rescue center are cats. What percent are dogs?
62%
13x3
39
You have a bag of letters. 30 Y's, 16 T's, 55 J's, 81 G's and 200 A's. What is the theoretical probability of picking a J.
55/382 or 14%
10/25 or 40%
Is it Impossible, Unlikely, Likely, or certain that a mouse would chase a cat.
Unlikely
In a math test, 35% of the children scored an average score. What percent scored above average?
Impossible question
400x23
9,200