Simple Probability Worksheet

                    Lesson 1

Problem:                   There are 10 blue and 2 red marbles in a jar. Describe the probability

of picking a blue marble.

Is it certain, likely, unlikely, or impossible?

Solution                    Read the problem carefully

Step 1:                                   

Solution                    There are many more blue than red marbles. There is

Step 2:                        a good chance that the chosen marble will be blue,

but it is not impossible that it will be red.

Solution                    The answer is:  likely

 Step 3:

Complete                                             

                                                            Try two practice problems:  

                                                                                   Is each situation certain, likely, unlikely, or impossible?

A.	A number is randomly picked from this list:  1, 4, 6, 9, 11, 14, 15, and 16. Describe the probability of picking a number less than 15.
B.	There are 10 pennies and 5 nickels in a bag. Describe the probability of picking a penny.

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