Theoretical Probability
Experimental Probability
Counting Principle
What are the chances...
Which is more likely...
100
Martha is going to flip a coin 50 times. How many times should she expect to flip heads?
What is 25 times?
100
Janice and Cait flip a coin 100 times and get 42 heads and 58 tails. According to their data, what is the experimental probability of flipping tails?
What is 58/100 or 29/50 or 58%?
100
Tellis packs 2 pairs of shoes, 3 pairs of pants, and 5 shirts for a trip. Assuming an outfit consists of shoes, pants, and a shirt, how many outfits can Tellis wear?
What is 30 outfits?
100
A box of candy has 4 grape, 3 cherry, and 5 lemon pieces. How many total pieces of candy are in the box?
What is 12?
100
In a bag there are 3 red marbles, 5 blue marbles, 3 black marbles, and 6 green marbles. How many total marbles are in the bag?
What is 17 marbles?
200
Frankie is going to roll a six-sided die. What is the probability that she will roll a 6?
What is 1/6?
200
Yessinia rolls a six-sided die 12 times and gets a 4 on 7 rolls. According to her data, what is the experimental probability that she gets something other than 4?
What is 5/12?
200
You go to the snack bar to buy a bagel and a drink for lunch. You can choose from a plain bagel, a blueberry bagel, or a raisin bagel. The choices for a drink include water or a sports drink. How many different lunches could be made with these choices?
What is 6?
200
A box of candy has 4 grape, 3 cherry, and 5 lemon pieces. What are the chances that you will get a cherry piece if you pick one randomly?
What is 3/12 or 1/4 or 25%?
200
In a bag there are 3 red marbles, 5 blue marbles, 3 black marbles, and 6 green marbles. Which color are you most likely to pick?
What is green?
300
When rolling a six-sided die, what is the probability that you will roll an even number?
What is 1/2?
300
Keshawn has a spinner with 5 colors (red, blue, yellow, green, orange, purple). He spins the spinner 18 times with the following outcomes: 5 red, 2 blue, 4 yellow, 3 green, 1 orange, 3 purple. According to his data, what is the experimental probability that he will land on yellow?
What is 4/18 or 2/9 or 22%?
300
A restaurant offers four sizes of pizza, two types of crust, and eight toppings. How many possible combinations of pizza with one topping are there?
What is 64?
300
A box of candy has 4 grape, 3 cherry, and 5 lemon pieces. Your friend was either cherry or grape. What are the chances she will get what she wants if she picks a piece from the box randomly?
What is 7/12?
300
In a bag there are 3 red marbles, 5 blue marbles, 3 black marbles, and 6 green marbles. Which two color marbles are equally likely?
What is red and black?
400
When rolling two six-sided dice, how many possible outcomes are there?
What is 36?
400
Keshawn has a spinner with 5 colors (red, blue, yellow, green, orange, purple). He spins the spinner 18 times with the following outcomes: 5 red, 2 blue, 4 yellow, 3 green, 1 orange, 3 purple. According to his data, what is the experimental probability that he not land on orange?
What is 17/18?
400
Grace loves to eat salad! How many salads can she put together if she can choose one from each of the following: two types of lettuce, 4 types of vegetables and 7 types of dressing?
What is 56?
400
A box of candy has 4 grape, 3 cherry, and 5 lemon pieces. What are the chances that you do not get a grape piece if you pick a piece randomly from the box?
What is 8/12 or 2/3 or 67%?
400
In a bag there are 3 red marbles, 5 blue marbles, 3 black marbles, and 6 green marbles. Are you more likely to pick green or more likely to pick black or red?
What is neither, they are equally likely?
500
When rolling two six-sided dice, what is the probability that you will roll a total of 8?
What is 5/36?
500
Keshawn has a spinner with 5 colors (red, blue, yellow, green, orange, purple). He spins the spinner 18 times with the following outcomes: 5 red, 2 blue, 4 yellow, 3 green, 1 orange, 3 purple. According to his data, what is the experimental probability that he will land on black?
What is 0 or 0%?
500
You go to Best Buy to purchase a new television. You have the following choices: LCD or plasma; screen size 27”, 32”, 36”, 41”, 51”, or 63” and manufacturer Sony, Vizio or Phillips. How many different televisions does the store have to offer?
What is 36?
500
A box of candy has 4 grape, 3 cherry, and 5 lemon pieces. If you ate 3 lemon pieces, 3 cherry pieces, and 3 grape pieces, what are the chances that you will select grape next?
What is 1/3 or 33%?
500
In a bag there are 3 red marbles, 5 blue marbles, 3 black marbles, and 6 green marbles. Jamie throws in 13 more marbles that are orange. Is it more likely that you would pick one of the original marbles or one of Jamie's new marbles?
What is original marbles?
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