HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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all the elements in event A and set B.
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the common elements in event A and set B.
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all the elements in event A but not in event B.
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all the elements in event B but not in event A.
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Detailed explanation-1: -The symbol ∪ is popularly used for union and its association with the word “or”. This is because A∪B is the set of all elements in A or B or even both.
Detailed explanation-2: -Union of events: The union of events A and B, denoted by, consists of all outcomes that are in A or in B or in both A and B. Intersection of events: The intersection of events A and B, denoted by, consists of all outcomes that are in both A and B.
Detailed explanation-3: -The union of two sets A and B is defined as the set of all the elements which are present in set A and set B or both the elements in A and B altogether. The union of the sets a and is denoted as ‘a ∪ b’.
Detailed explanation-4: -Definition: Union of Events. The union of events A and B, denoted A∪B, is the collection of all outcomes that are elements of one or the other of the sets A and B, or of both of them.