Use the following results from a test for marijuana​ use, which is provided by a certain drug testing company. Among 150 subjects with positive test​ results, there are 26 false positive​ results; among 152 negative​ results, there are 4 false negative results. If one of the test subjects is randomly​ selected, find the probability that the subject tested negative or did not use marijuana.​ (Hint: Construct a​ table.)

A company conducting a survey to determine how prepared people are for a long-term power outage, natural disaster, or terrorist attack. The frequency distribution on the right shows the results. Use the table to answer the questions. what is the probability that the next person surveyed is very prepared?

A poll is given, showing 55% are in favor of a new building project. If 9 people are chosen at random, what is the probability that exactly 1 of them favor the new building project? Check Answer

We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.