Which relation is a function? {(1, 2), (2,4), (−1, 2), (0,3)} {(3, 2), (2,1), (−1, 2), (3,3)} {(0, 1), (−4, 1), (4, 2), (−4,−1)} {(5, 0), (0, 1), (5, 2), (4,4)}

The last one :{(5, 0), (0, 1), (5, 2), (4,4)}

Step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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