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Mathematics for Data Science I, Quiz 1

May 2022 term, 5 Jun 2022, Set QPB1

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Question 1

+5−0Multiple correct

Select all that apply

Select all that apply.

A.
R is neither reflexive, nor symmetric and nor transitive.
B.
R is an anti-symmetric relation.
C.
R is an identity relation.
D.
R is an equivalence relation.

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Figure from the original question paper Figure from the original question paper In a survey of 500 people, it was found that 49% liked to watch comedy movies, 53% liked thriller movies, and 62% liked romantic movies. Also, 27% liked to watch both comedy and thriller, 29% liked to watch both thriller and romantic, and 28% liked watching both comedy and romantic. 5% liked none of the above genres. Based on this information, answer the given sub-questions. How many people like all the three movies?\ **NOTE:** Enter your answer to the nearest integer.