Probability Lesson 1

Probability can be written as...

Probability is the measure of the _____ that an event will occur.

 According to the weather forecast there is a  $\frac{4}{5}$  chance of rain. How likely is it that it will rain?

Where on the number line would you place the following event: "If you flip a coin, it will land on heads."

If an event is absolutely certain, what percent probability will it have?

If an event is absolutely impossible, what percent probability will it have?

 If the probability of an event is  $\frac{5}{10}$ ,
 which of the following best describes the event?

The numbers from 1 to 10 are written on small pieces of paper and placed in a bag. A piece of paper will be drawn from the bag.

What is the probability that a piece of paper less than 12 is drawn?

The numbers from 1 to 10 are written on small pieces of paper and placed in a bag. A piece of paper will be drawn from the bag.

What is the probability that an odd number is drawn from the bag?

The numbers from 1 to 10 are written on small pieces of paper and placed in a bag. A piece of paper will be drawn from the bag.

What is the probability that the number 4 will be selected from the bag?

Bob has a bag with 3 blue marbles, 10 purple marbles, 5 red marbles, and 2 green marbles.

What is the probability of pulling a green marble? Is it likely or unlikely to pull a green marble?

What is the probability P(not A)?

P(Blue)?

What is the probability of the spinner landing on C?

All of the tile from the above image are put into a bag.

What is the probability that you will draw the letter "T" from the bag?