Test 2 Study Guide

The collection of all possible outcomes of a probability experiment is called

• a probability model

• a sample space

• a probability

• a probability density

Which of the values can represent the probability of an event?

• 0

• 6/7

• 3.42%

• 3.42

• 110%

Given an event , the event that does not occur is called the ​ (a)   of A.

• complement
• inverse
• Compound
• probability

The following table presents the number of reports of graffiti in each of New York's five boroughs over a one-year period. These reports were classified as being open, closed, or pending. A graffiti report is selected at random. Compute the following probabilities. Round final answer to four decimal places.

• Got it !

• Neeext!

The probability that the report is closed and comes from Staten Island is

• 0.8128

• 0.8128%

• 0.866

• 0.00866

The probability that the report is closed or comes from Bronx is

• 0.7625

• 0.8128%

• 0.0057

• 13.8%

The probability that the report does not come from Staten Island is

• 0.7625

• 0.9862

• 99.368%

• 13.8%

In a recent school year in the state of Washington, there were 323,000 high school students. Of these, 155,000 were female and 168,000 were male. Among the females, 22,400 dropped out of school, and 10,400 among the males, dropped out. A student is chosen at random.

Given that the student dropped out, what is the probability that the student is male?

• 0.3171

• 0.6829

• 0.2294

• 0.7706

If a person is selected at random, find the probability that the person was a woman if it is known that the person talked between 600 and 799 minutes.

• 0.9738

• 0.9556

• 0.6798

• 0.5556