WGU Statistics Exam Questions and Answers 100% Correct

WGU Statistics Exam Questions and Answers 100% CorrectWGU Statistics Exam Questions and Answers 100% CorrectWGU Statistics Exam Questions and Answers 100% CorrectWGU Statistics Exam Questions and Answers 100% Correct The probability of any event is between one and o. What is the equation for this? - ANSWER-For any event A, 0 ≤ P(A) ≤ 1. The sum of all possible probabilities is___? - ANSWER-One, the equation is :P(S) = 1 What is the complement rule? or the probability that an event does not occur is 1 minus the probability that it does occur. - ANSWER-P(not A) = 1 - P(A) In probability, "OR" means either one or the other or both. - ANSWER-P(A or B) = P(event A occurs or event B occurs or both occur) Two events that cannot occur at the same time are called - ANSWER-disjoint or mutually exclusive The Addition Rule for Disjoint Events: - ANSWER-If A and B are disjoint events, then P(A or B) = P(A) + P(B). P(A and B) = - ANSWER-P(event A occurs and event B occurs) The idea of disjoint events is - ANSWER-is about whether or not it is possible for the events to occur at the same time The idea of independent events is about - ANSWER-whether or not the events affect