Theoretical
Maria is spinning a spinner. The spinner has 4 equal sections labeled A-D. What is the probability the spinner will land on the letter "A"?
1/4 or 0.25, or 25%
Brianna and Sierra both went fishing. Of the 10 throws, 6 of those throws resulted in a fish. What is the probability of them catching a fish on their next throw?
What is 3/5 or .6 or 60%?
Roll a number cube. Then, flip a coin.
What is Independent?
A selection where order matters.
What is Permutation?
Solve 8!
What is 40320?
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?
2/3, or 0.67, or 67%
A class tossed coins and recorded 161 heads and 179 tails. What is the experimental probability of heads?
What is 179/340?
Picking a card from a deck of cards, then, without putting the card back, picking another card.
What is Dependent?
Selection where order doesn't matter.
What is Combination?
Your friend goes to dinner at a restaurant that is having a special on a three-course meal. She may choose one appetizer, one entrée, and one dessert. There are 6 appetizers, 5 entrées, and 3 desserts. How many meals can she choose?
What is 90?
What is the probability of rolling two odd numbers in a row with a standard number cube?
1/4, or 0.25, or 25%
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%
Students can either play basketball or swim. About 20% of students play basketball, and about 10% swim. Find P(basketball or swim).
What is 30%?
18C6
What is 18564?
When is Mr. Barnhart's birthday?
What is May 19th?
A jar holds 7 blue candies, 10 green candies, 3 yellow candies, and 4 orange candies.
Find P(not orange)
What is 5/6 or .83 or 83%?
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%
At a picnic there are 10 diet drinks and 5 regular drinks. There are also 8 bags of fat-free chips and 12 bags of regular chips. Find P (regular drink and regular chips).
What is 1/5 or .2 or 20%?
There is a race with 15 contestants. How many different way can there be for people to come in first, second, third, or fourth?
What is 15P4 = 32760?
The floor of your classroom covers 1000 sq. feet. The floor covered by a desk is 10 sq. feet. If there are 30 desks, what is the probability of picking a spot on the floor that is covered by a desk?
What is 3/10 or .3 or 30%?
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%
Mr. Barnhart rolls two fair number cubes. What is the probability that the sum of these rolls is greater than 7?
What is 1/4 or .25 or 25%?
Suppose you have five books in your bag. Three are novels, one is a biography, and one is a poetry book. You grab a book at random two days in a row, making sure to put the book back each day. Find the probability of picking a novel both days.
What is 9/25 or .36 or 36%?
(20P10)*(15C7)*(10C10)
What is 4.314 E 15?
Two parts:
Define: Two events that cannot happen at the same time.
Formula of the above definition.
What is Mutually Exclusive Events?
and
P(A or B) = P(A) + P(B)