1. You are thinking about purchasing a cell phone. Before making a decision, you contact the major service providers in your area to obtain some information. For
each service provider, you record the cost of the phone itself, the required length of
the service contract, whether the plan gives you access to the internet, and the
average cost per month.
a. Identify the individuals.
b. Which variables are categorical?
c. Which variables are quantitative?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events