Probability
What is the probability you flip heads on a coin?
1/2
What is the probability that you roll a 5 on a dice AND flip heads?
1/6 x 1/2 = 1/12
How many icecream's can you make from 2 flavors and 3 toppings?
2 x 3 = 6
What is the probability you roll a 5 on a dice?
1/6
What is the probability that you flip tails and roll a number less than 5 on a dice?
1/2 x 4/6 = 4/12 or 1/3
How many outfits can you make from 3 pants, 4 shirts, and 2 shoes?
3 x 4 x 2 = 24
What is the probability you roll an odd number on a dice?
3/6 or 1/2
A bag of 10 marbles: 2 green, 3 red, 5 blue.
What is the probability that you choose a green marble AND roll a 6 on a dice?
3/10 x 1/6 = 3/60 or 1/20
You have 10 friends to choose from to go on a trip. You can go to the mall, bowling, get food, or the park.
How many combinations of friends and trips do you have to choose from?
10 x 4 = 40
You have 50 songs on your phone. 10 are rap, 7 are country, 13 are pop, and 20 are tiktok songs.
What is the probability you play a tiktok song?
20/50 or 2/5
You have 5 dogs, 2 cats, and 6 fish stuffed animals.
What is the probability you choose a fish and flip heads on a coin?
6/13 x 1/2 = 6/26 or 3/13
You want to buy a pizza. You can get a small, medium, or large; thin or stuffed crust; veggie, meat, or cheese toppings. You can only choose one of each. How many combos can you make?
3 x 2 x 3 = 18
You have a bag of marbles. 10 are red, 8 are blue and 2 are green.
What is the probability you choose NOT green?
18/20 or 9/10
Probability that you roll NOT a 3 and flip NOT tails?
5/6 x 1/2 = 5/12
For lunch today, you have a choice of pizza, chicken sandwhich, or tacos. You can pick a side of chips, cookies, fruit or veggies. Lastly, you can pick one drink, water, juice or soda.
How many lunch combos are there?
4 x 4 x 3 = 48