There Are Currently 18 Pit Bulls at the Pound

question 42

Multiple Choice

There are currently 18 pit bulls at the pound. Of the 18 pit bulls, four have attacked another dog in the last year. Joe, a member of the staff, randomly selects six of the pit bulls for his group. What is the probability that exactly one of the pit bulls in Joe's group attacked another dog last year?

• A) 0.1618
• B) 0.3235
• C) 0.4314
• D) 0.4853

---

Definitions:

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity of materials supposed to be used, multiplied by the standard cost per unit.

Standard Quantity

The predetermined amount of materials or inputs that should be used in the production of goods or services under normal operating conditions.

Standard Price

A predetermined cost assigned to goods and services, used for budgeting, cost control, and performance evaluation purposes.

Materials Price Variance

The difference between the actual cost of materials and the standard cost multiplied by the actual quantity used.