If you win $100 for rolling a 12, win $10 for rolling a number
less than 6, and lose $4 for rolling anything else, what
are your expected winnings per play?
a. $1.94 b.
$4.72 c.
$2.78 d.
-$.68
A committee of 7 is be selected from a group of 22 people. How
many such committees are possible?
a. 22,254 b.
319,770 c,
170,544 d. 101,458
A woman plans on having four children. What is the probability
she will have...