Alison Decides to Play the Lottery

question 111

Multiple Choice

Alison decides to play the lottery. She has a 5 percent probability of winning $100 and a 95 percent probability of winning zero. The expected value of playing the lottery is:

• A)$100.
• B)$5.
• C)$10.
• D)$50.

---

Definitions:

Benzene Sulfonic Acid

A compound with a sulfonic acid group attached to a benzene ring, used in the production of detergents.

Dibromobenzene

Dibromobenzene refers to any of the compounds containing a benzene ring substituted with two bromine atoms, known in three isomeric forms.

Intermediate Carbocation

A positively charged carbon species that appears as a transient structure during some chemical reactions.

Aromatic

Refers to compounds that have a special stability due to the structure of alternating double and single bonds forming rings.