Each Salesperson in a Large Department Store Chain Is Rated

question 7

Multiple Choice

Each salesperson in a large department store chain is rated on his or her sales ability and potential for advancement. The data for the 500 sampled salespeople are summarized in the following table. What is the probability that a salesperson selected at random will have an excellent potential for advancement given he or she also has above-average sales ability?

• A)0.27
• B)0.60
• C)0.404
• D)0.45

---

Definitions:

KMnO4

Potassium permanganate, a strong oxidizing agent used in a variety of chemical reactions and as a disinfectant.

Hg(OAc)2

Mercury acetate, a chemical compound used in organic chemistry as a reagent, particularly in reactions involving carbocations.

NaBH4

Sodium borohydride (NaBH4) is a reducing agent commonly used in organic synthesis to reduce aldehydes and ketones to alcohols.

Raney Nickel

A finely divided nickel alloy used as a catalyst in hydrogenation and other chemical reactions.