There Are 10 Rolls of fiLm in a Box and 3

question 120

Multiple Choice

There are 10 rolls of film in a box and 3 are defective. Two rolls are to be selected one after the
Other. What is the probability of selecting a defective roll followed by another defective roll?

• A) 1/2 or 0.50
• B) 1/4 or 0.25
• C) 1/120, or about 0.0083
• D) 1/15, or about 0.07