Vocabulary
A list of all possible outcomes.
What is a sample space?
What is 1/3 or 33%?
Find the sample space of flipping two coins
What is heads heads, heads tails, tails heads, tails tails?
You have 4 shirts, 2 pairs of pants and 6 belts. How many outfits can you make if you must wear one of each?
48 outfits
What is the probability of drawing a card from a deck and it being red and a face card?
3/26 or 11.5%
A way of showing a sample space and of finding the number of all possible outcomes; each level is a new set of branches
What is a tree diagram?
P(red card|face card) in a standard deck of cards
What is 1/2 or 50%?
What is the probability of getting HHH if you flip a coin 3 times?
1/8
Find the number of outfits that can be put together. 4 shoes, 5 pants, and 6 shirts
What is 120 outfits?
What is the probability of drawing a card from a deck and it being red or a face card?
8/13 or 61.5%
The probability that one event occurs does not affect the probability of the other event occurring.
What is an independent event?
Find the probability of rolling doubles given the sum is 8.
What is 1/5 or 20%?
Find the number of outcomes of rolling two cubes.
What is 36?
A number 1-20 is chosen at random, then a letter A-Z is chosen at random. Find P(odd number, C or D).
What is 20/520 or 1/26?
If 25% of U.S. federal prison inmates are not U.S. citizens, find the probability that 2 randomly selected inmates will not be U.S. citizens.
1/16 or 6.25%
The probability of one event occurring affects the likelihood of the other event.
What is a dependent event?
Find the P(B) if P(AandB)=0.45 and P(A|B)=0.7
What is 9/14?
Find the probability of getting a sum of 15 by rolling a pair of dice.
What is 0?
We are making sandwiches. There are 4 types of bread, 3 types of cheese, 5 types of meat and 15 toppings. A person must choose one from each category. How many different sandwiches can be made?
900
If a die is rolled one time, find the probability: P(greater than 3 or an odd number)
5/6
a way to display data using intertwined circles
What is a Venn diagram?
Find the P(AandB) if P(A|B)=0.5 and P(B)=0.2
What is 1/10 or 10%?
What is the probability of drawing a red face card on the 1st draw and a black card on the 2nd card, without replacement?
What is 1/17?
You spin a spinner twice. 1 red, 1 blue, 1 yellow, 1 white Find P(red, red)
What is 1/16?
4 tickets 2 red, 2 purple You do not replace the first ticket. Find the probability of getting red and purple together when picking twice.
What is 2/3?