WGU C277 FINITE MATH MIDTERM EXAM QUESTIONS WITH VERIFIED ANSWERSN 2026,100%CORRECT

WGU C277 FINITE MATH MIDTERM EXAM QUESTIONS WITH VERIFIED ANSWERSN 2026 members of a set - CORRECT ANSWER element ∅ - CORRECT ANSWER empty set part of an element ⊆ - CORRECT ANSWER subset everything - CORRECT ANSWER universal set A∩B - CORRECT ANSWER intersection everything not in C - CORRECT ANSWER complement C¹ no elements in common - CORRECT ANSWER disjoint is a collection of all possible outcomes of a random experiment - CORRECT ANSWER sample space The complement of A is the set of elements of the universal set that are not elements of A - CORRECT ANSWER compliment rule everything in A or B, combined - CORRECT ANSWER A∪B intersection, only in both - CORRECT ANSWER A∩B no intersection - CORRECT ANSWER mutually exclusive P(A∪B) = P(A) + P(B) - P(A∪B) - CORRECT ANSWER union rule true - CORRECT ANSWER permutations provide a way of counting possibilities when order matters true - CORRECT ANSWER combinations provide a way of counting possibilities when order doesn't matter true - CORRECT ANSWER the number of distinguishable permutations of n objects, when r are indistinguishable and the remaining n - r are also indistinguishable, is the same as the number of combinations of r objects chosen from n true - CORRECT ANSWER calculating the numerator or the denominator of a probability can involve either permutations or combinations false - CORRECT ANSWER the probability of at least 2 occurrences of an event is equal to the probability of 1 or fewer occurrences true - CORRECT ANSWER the probability of at least two people in a group having the same birthday is found by subtracting the probability of the complement of event from 1 true - CORRECT ANSWER the trials in binomial probability must be independent false - CORRECT ANSWER binomial probability can be used when each trail has three possible outcomes