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 Γ 100
= 5 Γ 5
25%
therefore,
probability will be 0.25
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