Explore BrainMass

BA 501,Techniques in Business & Economics, Statistics

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?

1/2, or 0.50

1/4, or 0.25

1/120, or about 0.0083

1/15, or about 0.07