Prof. S. Brick Math 201
Fall ’02 Elem. Ed. Math I; Quiz 10 section 2
0. Print your name:
1. Suppose the probability of an A is 25%, that of a B is 30%, that of a C is 30%, that of
a D is 10% and that of an F is 5%. Find the expected value of the GPA.
2. Suppose you know that Mary has two children and at least one of them is a boy. What
is the probability that she has two sons ?
3. Werner has 9 shirt, 4 pairs of pants, and 3 pairs of shoes. How many possible outfits
can he wear ?