A Biopsychologist Is Interested in How Quickly Rats Learn a Complicated

Multiple Choice

A biopsychologist is interested in how quickly rats learn a complicated maze.He puts 5 rats,labeled A,B,C,D,and E,in a box.He wants to run two of the rats through a maze,one rat at a time.What is the probability that the biopsychologist will run rat B through the maze first and then run rat E through the maze second?

A) .0083
B) .05
C) .10
D) .40