Theoretical
Experimental
Fundamental Counting Principle
Vocabulary
Simple and Compound Events
100
Maria 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"?
1/8 or 0.125, or 12.5%
100
You flip a coin four times and it lands on heads one times. What is the experimental probability of landing on heads?
1/4 or 25%
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. How many different outfit combinations can you make?
9
100
Define "theoretical probability."
It is the probability of what should occur.
100
What is the probability of rolling a die and it landing on a 4?
1/6 or 17%
200
The classic wood carousel at Carousel Park in Hampton, VA has 16 jumping horses and 16 standing horses. What is the probability of randomly selecting a jumping horse?
1/2, or 0.50, or 50%
200
You flip a coin 10 times and it lands on tails 10 times. What is the experimental probability of the coin landing on tails?
100%
200
What is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections?
48 possible outcomes
200
Define "experimental probability."
The probability of what actually occurs.
200
What is the probability of landing on yellow?
1/3 or 33%
300
What is the probability of rolling two odd numbers in a row with a standard number cube?
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
11/100 or 0.11, or 11%
300
Amiya and Keyshawn are candidates for class president of the 7th grade. Ajaye, Chishon, and Laura are candidates for vice president. How many winning combinations are possible?
6
300
Describe the difference between events that are certain, likely, equally likely, unlikely, or never going to happen.
Certain would be 100% of the time, likely is anything greater than 50% of the time, equally likely is exactly 50% of the time, unlikely is anything less than 50% of the time, and never is anything that has a 0% chance of occuring.
300
What is the probability of spinning the spinner and landing on red, and then flipping a coin and landing on heads?
1/10 or 10%
400
There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. One marble is taken out and not replaced. A second marble is then taken out and not replaced. What is the probability both marbles that were taken out are red?
1/5, or 0.20, or 20%
400
Pedro 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
1/5, or 0.20, or 20%
400
Ms. French is packing for a trip. She packs a white blouse, a pink blouse, a blue blouse, and a green blouse. She also packs a black suit, a navy blue suit, and a gray suit. What is the probability that the first outfit she wears is the gray suit with a pink blouse?
1 out of 12
400
Define "independent event."
When one event occurs and the item is replaced before the second event occurs.
400
DAILY DOUBLE:
A barrel of water weighs 60 lbs. Someone puts something in the barrel and now the barrel weighs 40 lbs. What did the person add?
A hole
500
Jarvonya 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?
1/25 or 0.04, or 4%
500
BONUS: What has a neck but no head, two arms, and no hands?
A shirt
500
What is the probability of rolling three 4's in a row on a number cube?
1/216
500
Define "dependent event."
When one event occurs and that item is not replaced before the second event occurs.
500
What is the probability of selecting a random single digit number, then selecting a consonant from the word MATH?
3/40 or 7.5%