A survey revealed that 60% of people are entertained by reading books, 50% are entertained by watching TV, and 20% are entertain
ed by watching both books and TV. What is the probability that a person will be entertained by books or TV
1 answer:
Question seem incorrect because 60%,50% and 20% sum up to more than a 100% therefore we've made a little correction
Answer:
0.8
Step-by-step explanation:
Probability = number of favorable outcomes/number of outcomes
Given that 30% are entertained by reading books
50% are entertained by watching TV
20% are entertained by reading books and watching TV
The probability that a person will be entertained by books or TV =
30/100+50/100= 3/10+5/10
=8/10
=0.8
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