1. A group of students plan to purchase a 16 ounce bag of M&M's and record data on the contents. For each of the following variables, state whether it is discrete or continuous.
   1. Mass of each M&M ______________
   2. Diameter of each piece of candy _________________
   3. Number of distinct colors of M&M's in the bag ___________________
   4. The cost to purchase the bag of M&M's ____________________
2. In the following table, the random variable X represents the number of marriages a person 15 years or older has been involved in.

X	P(x)
0	0.272
1	0.575
2	0.121
3	0.027
4	0.004
5	0.001

1. Is this a discrete probability distribution? If not, identify why.

1. Compute the mean of the random variable X.

1. Compute the standard deviation of the random variable X.

1. What is the probability that a randomly selected individual 15 years or older has been involved in two marriages?

1. What is the probability that a randomly selected individual 15 years of older have been involved in at least two marriages?