Unit E: Statistics and Probability

Chapter 2: Probability

Practice


Instructions: Click the Download File button to download a printable PDF of the questions. Answer each of the following practice questions on a separate piece of paper. Step by step solutions are provided under the Solutions tab. You will learn the material more thoroughly if you complete the questions before checking the answers.
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  1. Ivanka is on spring break and would like to make plans with her friends to go go-carting. The only days that all of her friends are available are Wednesday and Saturday. Which day should they choose?





  2. The batting averages for three baseball players on the Toronto Blue Jays are listed below.

    Player Batting Average
    Dwight Smith
    		0.370
    Darrel Cecilani
    		0.400
    Kevin Pillar 0.256



    Which player has the highest probability of hitting the ball when he is at bat?
Ivanka is on spring break and would like to make plans with her friends to go go-carting. The only days that all of her friends are available are Wednesday and Saturday. Which day should they choose?






On Wednesday, there is a 60% probability of precipitation. On Saturday, there is a 30% probability of precipitation. Since there is a lower chance of precipitation on Saturday than on Wednesday, Ivanka and her friends should plan to go go-carting on Saturday.
The batting averages for three baseball players on the Toronto Blue Jays are listed below.

Player Batting Average
Dwight Smith
0.370
Darrel Cecilani
0.400
Kevin Pillar
0.256



Which player has the highest probability of hitting the ball when he is at bat?


Since Darrel Cecilani has the highest batting average, he has the highest probability of hitting the ball when he is at bat.