Theoretical
Experimental
Counting Principle
Vocabulary
How Likely is it?
100

Algrrrbra is flipping a coin and spinning a spinner. The spinner has 4 equal sections labeled A-D. What is the probability the coin will land on heads and the spinner will land on the letter "A"?

What is 1/8 or 0.125, or 12.5%?

100

Geowmetry has a spinner with 5 equal sections, each a different color. After only 10 spins, the pointer had landed on red 40% of the time. After a whopping 1,000 spins, the pointer landed on red only 22% of the time. This is the probability closest to the theoretic probability (22% or 40%).

What is 22%?

100

You are trying to decide what to wear to school. You know you have a green pair of pants, a red pair, and a blue pair. You also have a brown shirt, a plaid shirt, and a yellow shirt. This is the number of different outfit combinations can you make.

What is 9 (nine, the roman numeral IX, 3x3, 900%)? 

100

This is word means the probability of what you expect or predict to occur.  (Theoretical or experimental?)

What is theoretical probability?

100

This is how likely a coin is to land on tails after being flipped.

What is equally likely/unlikely?

200

The classic wood carousel at Carousel Park in Hampton, VA has 32 jumping horses and 16 standing horses. What is the probability of randomly selecting a jumping horse?

What is 2/3, or 66.7%, or 0.67?

200

One out of eight customers at a local ice cream parlor will be chosen at random to sample the new "lunchroom chicken nugget" flavored ice cream.  This is the best simulation to choose to model the situation(one number cube, three coins, a bag of ten marbles).

What is three coins?

200

This is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections.

What is 48 possible outcomes?

200

This means the probability of what actually occurs or of the resulting outcomes.

What is experimental probability?

200

This is how likely a number cube is tossed and lands on 3.

What is Unlikely?

300

What is the probability of rolling two odd numbers in a row with a standard number cube?

What is 1/4, or 0.25, or 25%?

300

A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 16 E = 11 I = 29 O = 19 U = 25

What is 11/100 or 0.11, or 11%?

300

Almedina and Megan are candidates for class president of the 7th grade. Ermin, Moon, and Hope are candidates for vice president. How many winning combinations are possible?

What is 6 (or just 1 if you are biased)?

300

This probability means equally likely or unlikely.

What is 50%, 1/2, or 0.5?

300

This is how likely a number cube is tossed and lands on party time.

What is impossible?

400

There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. One marble is taken out and not replaces. A second marble is then taken out and not replaced. What is the probability both marbles that were taken out are red?

What is 1/5, or 0.20, or 20%?

400

Steve recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3

What is 1/5, or 0.20, or 20%?

400

Mr. Zehnder is packing for a trip. He packs a white tiger, a pink panda, a blue horse, and a green puppy. He also packs a black expo, a blue expo, and a red expo. What is the probability that the first animal/marker combination he takes out is a white tiger with a blue expo?

What is 1 out of 12?

400

This is an event that does not influence or is not effected by other events.

What is independent event?

400

This is how likely a number cube is to NOT result in jalapeno ice cream.

Certain

500

Catculus spins a spinner with 5 equal sections numbered 1-5 and she spins another spinner with 5 equal sections with the letters A-E. What is the probability she will spin a 4 and a B?

What is 1/25 or 0.04, or 4%?

500

A six-sided die is thrown 50 times. Use the list below to find the experimental probability of rolling a 3. 

1 6 2 6 3 5 4 1 5 2 6 4

This is the higher probability (experimental or theoretical).

What is the theoretical probability (1/6 > 1/12)?

500

This is the probability of rolling three 4's in a row on a number cube.

What is 1/216?

500

This event occurs when one item is not replaced before a second item is picked.

What is dependent event?

500

This is how likely both a number cube is to result in 2 and a coin is to result in heads.

unlikely