A baseball player hit 57 home runs in a season. Of the 57 home​ runs, 15 went to right​ field, 20 went to right center​ field, 12 went to center​ field, 8 went to left center​ field, and 2 went to left field.​ (a) What is the probability that a randomly selected home run was hit to left ​field? (b) Was it unusual for this player to hit a home run to left ​field?