Probability Questions & Answers

Probability Questions & Answers Addition Principle of Counting - ANSWER: we use this principle of counting for mutually exclusive events. Add the number of events to get the total number additional rule - ANSWER: For probability this rule states that (A ∪ B) = P(A) + P(B) - P(A ∩ B) categorial data - ANSWER: Data that cannot be measured, but is divided into groups. Example: race, gender, age combination - ANSWER: Counts the number of ways objects can be formed into groups of a certain size. complementary - ANSWER: If two events have probabilities which sum to 1, they are called ________ events. complementary - ANSWER: The set of all elements that are in the universal set but not in the set you are talking about. Example: If the universal set is people then the complement of the set of men would be the set of women. compound event - ANSWER: An event that is made up of two or more outcomes is called ____. Example: Rolling a 5 on a die and flipping heads on a coin. counting principle - ANSWER: A way of computing the possible number of outcomes in an experiment...