If and are subsets of such that how many possible choices are there for the ordered pair ?
Details and assumptions
It is possible that or .
Let and be two sets and be a universal set such that , , and . Find .
Which of the following sequence of set operations counts the number of elements that are in exactly one of , or ?"
Options:
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If and are two sets, is equal to
Details and assumptions:
represents intersection.
represents union.
represents compliment of set .
Person "A" says the truth 60% of the time, and person "B" does so 90% of the time.
In what percentage of cases are they likely to contradict each other in stating the same fact?