Solve the Problem $\frac { 1 } { 840 }$ B) $\frac { 3 } { 7 }$

Multiple Choice

Solve the problem.
-In an essay contest, a teacher finds that seven students have written excellent essays. Three of these students are Alicia, Pat, and David. If the teacher chooses the first place winner, second place Winner, and third place winner at random from these seven students, what is the probability that Alicia will win first prize, Pat will win second prize, and David will win third prize?

A) $\frac { 1 } { 840 }$
B) $\frac { 3 } { 7 }$
C) $\frac { 1 } { 210 }$
D) $\frac { 1 } { 35 }$