A)Let the Universal Set, S, have 118 elements. A and B are subsets of S. Set A contains 18 elements and Set B contains 94 elements. If the total number of elements in either A or B is 95, how many elements are in B but not in A?
B)A company estimates that 0.3% of their products will fail
after the original warranty period but within 2 years of the
purchase, with a replacement cost of $350.
If they offer a 2 year extended warranty for $50, what is the
company's expected value of each warranty sold?
C)If the probability of an event is 54/55, what is the
probability of the event not happening?
Write your answer as a simplified fraction.
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