A Die Is Rolled Nine Times and the Number of Times

question 12

Multiple Choice

A die is rolled nine times and the number of times that two shows on the upper face is counted. If this experiment is repeated many times, find the mean for the number of twos.

• A) 7.5 twos
• B) 1.5 twos
• C) 2.25 twos
• D) 3 twos

---

Definitions:

Organic Structure

The arrangement of atoms within an organic molecule, defining its specific chemical properties and reactivity.

Reaction Sequence

A series of chemical reactions performed in a specific order to transform a starting material into a desired product through intermediate compounds.

Stepwise Mechanism

A reaction mechanism in which a sequence of discrete steps leads to product formation, each step having its own transition state.

Correct Structure

The accurately determined arrangement of atoms within a molecule verified through experimental data.