lesson+eight+review

a. What's the difference between a virus and a trojan horse?
 * -trojan horse is not a virus.**

b. What's the difference between quantitative and categorical data? -**cat. tells us what and quan. tells how much.**

c. Give an example of mutually exclusive events.
 * -dice is rolled a pair of them and the events would be rolling a 8 (4,4) and of rolling a double is having no outcome in common.**

d. Give an example of a set in real life, and describe a subset of that set.
 * -everyone that lives in MN its a group of (people) which is an object and i am in this set and whos not in the set is ( prince william )**

e. What is the sample space of an experiment where I'm asking people if they like zombie movies or vampire movies better?
 * -the set of all possible outcomes for an experiment is the sample space for the experiment.**

f. If 16 people in the class like vampire movies better, and only 4 people like zombie movies better in a class of 20, what's the probability a student selected at random likes vampire movies the best?
 * -16/20**

g. Here are the number of zombie movies seen by eight randomly selected students:

0, 0, 1, 2, 4, 4, 5, 24

What are the mean, median, and mode(s) for this data set? -median is [4] -mode is [0,4]**
 * -mean is [ 5]