Probability

Theoretical Probability

100

If you flip a coin twice, what is the probability that you get heads then tails?

1/4

200

If you roll a pair of dice what is the probability of rolling a sum of 6? 

5/36

300

If you roll a die 3 times what is the theoretical probability that you will get a number less than 4 all three times?

1/8

Experimental Probability

100

If 1 out of every 2 people have a cat, how many people out of 3,220 would have a cat?

1,610

200

If 1 out of every 3 people have a dog, how many people out of 360 would have a dog?

120

300

If 2 out of every 5 people have cell phones, how many people out of 200 would have cell phones?

80

Mutually Exclusive

100

Flipping tails or heads when flipping a coin.

Not mutually exclusive (the word or is used)

200

Rolling a sum of 4 and a sum of 6 when rolling two dice.

Mutually exclusive because it cannot happen at the same time

300

Drawing a queen and a heart.

Not mutually exclusive because you can have both

Counting Principle

100

You have 4 shirts, 5 pairs of pants, and 9 pairs of shoes. How many possible outfit combinations do you have?

180

200

A restaurant offers deep dish, thin crust, or pan pizza. On the pizza you can get alfredo, red sauce, or pesto and for toppings you can choose from chicken, pepperoni, sausage, bacon, ham, mushroom, green pepper, black olives, and onions. How many diferent combinations are available?

90

300

A shirt company has 5 different colors, 6 different designs, and 7 different shirt choices. How many different combinations are available?

210

Independent vs Dependent

100

A shelf holds 3 novels, 2 biographies, and 1 history book. Find the probability of both novels.

1/5

200

5 black retrievers, 3 brown hounds, 4 black setters.

Two puppies were chosen at random, what is the probability of two black?

6/11

300

Using the letters in Pre Algebra, what is the probability that you draw two vowels in a row if you choose two letters without replacement?

2/15