### Home > CC2MN > Chapter 7 > Lesson 7.1.1 > Problem 7-9

Desmond is rolling a standard six‑sided number cube. He plans to roll it

About how many times would you expect Desmond to roll a

? Why? You would expect Desmond to roll a

about one sixth of the total rolls, , since there are numbers on a cube. What is one sixth of ? About how many times would you expect him to roll an even number? Why?

See part (a).

There are three even numbers on a cube.

Desmond kept track of his results for all

rolls. The table at right shows some of his results. Based on his partial results, how many times did he roll a or a ? What is the total Number of Outcomes in the table on the right? How many more times did Desmond roll the cube?

Result | Number of Outcomes |

1 | 9 |

2 | 14 |

3 | 11 |

4 | 8 |

Use the eTool below to solve problem.

Click the link at right for the full version of the eTool: *7-9 HW eTool* (CPM)