10.1-10.4 Probability Review

Theoretical

100

ONE DICE IS THROWN, WHAT IS THE PROBABILITY OF ROLLING A 3

1/6

200

A carousel has 2 jumping horses and 2 standing horses. What is the probability of randomly selecting a jumping horse?

1/2, or 0.50, or 50%

300

Think of a standard deck of 52 cards. Find P(8) as a fraction in simplest form and as a percent.

1/13 or 7.69%

400

There are 3 red marbles, 2 green marbles, 8 purple marbles and 1 pink marble. Find P(purple) as a fraction in simplest form AND as a percent

4/7 or 57.14%

500

What is the probability of rolling two odd numbers in a row with a standard number cube?

1/4, .25 or 25%

Experimental

100

A coin is flipped 100 times and the results were 25 heads and 75 tails.  Based in the experiment what is the probability of flipping the coin and getting heads up?

1/4

200

A coin is tossed 1000 times resulting in 700 heads and 300 tails.  What does this mean about the coin? Fair or unfair?

Unfair

300

A letter tile is randomly selected from a bag, recorded, and replaced 16 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 4, E = 5, I = 4, and O = 3

5/16

400

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; 25 total birds

5/25 or 1/5

500

A six-sided die is thrown 50 times. You roll a one 7 times, two 12 times, three 6 times, four 9 times, five 5 times and six 11 times. What is the experimental probability of rolling an odd number?

The experimental probability is 18/50 or 36%

Counting Principle

100

 You know you have four different pants and three different shirts, how many combinations of pants and shirts can you  make?

12

200

What is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections?

48 possible outcomes

300

A pizzeria has 3 types of crust and 6 different styles. Assuming each pizza can only be 1 style, how many different pizzas can be made. 

18 different pizzas

400

At a new restaurant, there are 10 drinks, 12 kinds of entrees and 3 different desserts. How many different combinations of drink, entree and dessert can customers order?

360 different combinations

500

You try to remember a friend's phone number, and all you can remember is 763-295-????. How many different outcomes are there for guessing the last 4 digits correctly?

10000