Math Prob. Unit Word Scramble
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Question | Answer |
What is a set? | Any group of things or numbers that are selected according to a well defined rule. |
What is an element? | Part of a set; a number in a set. |
What is the universal set? | The set containing elements under consideration for a particular problem. |
What is a subset? | A set that forms part of another set. |
What is the intersection of two sets? | The set of elements that belong to two or more sets. |
What is the union? | The set formed when you combine two or more sets. |
What is the complement? | The set of all elements within a particular universal set that is not part of the given set. |
What is theoretical probability? | The number of all ways that an event can happen over the total number of events. |
What is the experimental probability? | The ratio of favorable outcomes that did happen over the number of trials. |
What are the notations for Universal set, subset, intersection, and union? | Universal: U; Union: ∪; Intersection: ∩; Subset: ⊂ |
What is random sampling? | Sampling in which everyone has an equal chance of being selected. |
What is Convenience sampling? | Sampling that is convenient. |
What is a permutation? the formula? | Order matters: nPr=n!/(n-r)! |
What is a combination? the formula? | Order doesn't matter; nCr=n!/r!(n-r)! |
What is an example of a factorial? | 8!= 8*7*6*5*4*3*2*1 ; 4!= 4*3*2*1 |
What are mutually exclusive events? | Denoting two events that cannot occur at the same time. |
What are overlapping events? | Events that occur at the same time. |
What is the addition rule? | P(A or B)=P(A)+ P(B)- P(A intersection B) |
What is conditional probability? | P(B/A)=P(A and B)/P(A) |
What is an independent event? | P(A and B)=P(A)+P(B) |
What are dependent events? | P(A and B)=P(A)+P(B after A) |
Proving independent events. |
Created by:
nriggs626
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