Theoretical Probability
Experimental Probability
Sample Space/Counting Principle
Compound events
100
You spin a spinner numbered 1 though 10. Find P(9).
1/10
100
The following are the results of tossing a coin 4 times. What is the experimental probability for tails?
1/16
100
A pizza company makes pizza in three different sizes: small, medium and large. There are four possible toppings: pepperoni, sausage, mushroom and hamburger. How many different kinds of pizza with one toppings are available?
12
100
You roll a dice. Find the P(2, then 5)
1/36
200
You roll a die. Find the P(5)
1/6
200
You survey 15 classmates about their favorite pet. 6 said dog, 4 said cat, 3 said fish and 2 said snake. What is the experimental probability for snake in percent form? Round to whole percent.
13%
200
A coin is tossed twice. Make a tree diagram that shows all the possible outcomes of how the coin will land.
* See students whiteboards* (should have 4 outcomes)
200
You toss a quarter then spin a spinner numbered 1-10. Find the P( heads, then even).
1/4
300
You roll a die. Find the P(even). Simplify.
1/2
300
You observe the color of shirts worn by your classmates: 11 have on white, 5 have on blue, 4 have on yellow. What is the experimental probability for blue. Write you answer as a fraction, decimal and percent.
1/4, .25, 25%
300
Grace has 4 sweaters (white, black, blue and green) and four pairs of pants ( black, white, jeans and khakis). How many different sweater/pant outfits does Grace have?
16
300
Each letter in the word MISSISSIPPI is written on a card. The cards are placed in a basket. Find the P( S, then S if the card is NOT replaced after the first draw).
6/55
400
You flip a coin. Find the P(tails).
1/2
400
A quality control inspector found flaws in 13 out of 150 sweatshirts on Tuesday. Suppose on Wednesday he inspects 500 sweatshirts. How many will have flaws?
43
400
Mileon has 4 jackets (white, black, yellow and green) and four pairs of pants ( black, white, jeans and khakis). What is the probability that his jacket and pants will NOT be the same color?
7/8
400
Each letter in the word MISSISSIPPI is written on a card. The cards are placed in a basket. Find the P(I, then M if the card is replaced before the second draw)
2/55
500
You spin a spinner numbered 1 through 20. Find the P(25).
0
500
The probability of a person being left-handed is about 11%. Suppose you interview 1000 people. About how many would you expect to be left-handed?
About 110
500
Christian has four pairs of shoes (white, black, brown and green) and four pairs of socks ( black, white, orange and yellow). What is the probability of his shoes and socks being different colors?
1/8
500
Four cats and six dogs are available for adoption at the humane society. Devin plans to adopt 2 pets. Find the probability her adopting 2 dogs.
1/3