Each salesperson in a large department store chain is rated on their sales ability and their 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 has above average sales ability and is an excellent potential for advancement?
A)0.20
B)0.50
C)0.27
D)0.75

Question

Each salesperson in a large department store chain is rated on their sales ability and their 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 has above average sales ability and is an excellent potential for advancement?
A)0.20 
B)0.50 
C)0.27 
D)0.75

Quizplus · Accepted Answer

The probability of a salesperson having above average sales ability is (160 + 140)/500 = 0.60. The probability of a salesperson having excellent potential for advancement is 60/500 = 0.12. The probability of both events occurring is 0.60 x 0.12 = 0.072 or 0.07 (rounded to two decimal places). Therefore, the best choice is C.

Each Salesperson in a Large Department Store Chain Is Rated