A survey revealed that 47% of people are entertained by reading books, 32% are e

Question

A survey revealed that 47% of people are entertained by reading books, 32% are entertained by watching TV, and 21% are entertained by both books and TV. What is the probability that a person will be entertained by either books or TV? Express the answer as a percentage. A)21% B) 100% C) 58% D) 79% 11) If three cards are drawn without replacement from an ordinary deck, find the probability that the third card is a face card, given that the first card was a queen and the second card was a 5. A) 1/5 B) 11/50 C) 6/25 D) 3/13 12) There are 10 members on a board of directors. If they must form a subcommittee of 4 members, how many different subcommittees are possible? A) 24 B) 5040 C) 210 D) 10,000 13) A survey of senior citizens at a doctor's office shows that 47% take blood pressure-lowering medication, 43% take cholesterol-lowering medication, and 3% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medication? Express the answer as a percentage A) 100% B) 93% C) 87% D) 6% 14) If a single fair die is rolled, find the probability of a 4 given that the number rolled is odd. A) 1 B) 1/2 C) 1/6 D)0

Explanation / Answer

10) we have been given that people are entertained by tv, books or by both

and we need to find the probability that that they are entertained by books or tv then the answer will be 100%

because it is talking about both the items in the set.

has the question been that they are entertained by tv alone or books alone then the answer would have been different

but for this the answer = 100%

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