Mathematics, 16.02.2021 01:00 anna4060
Express each of the following events in terms of the eventsA, B and C as well as the operations ofcomplementation, union and intersection:(a)only A occur;(b)only A and B occur;(c)none of the events occurs;(d)all three events occur;(e)exactly one of the events occurs;(f)at least two of the events occurs;(g)at most one of the events occurs.
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How many days was the temperature above 90 degrees?
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