Evaluate the line integral c f · dr, where c is given by the vector function r(t). f(x, y, z) = (x + y)i + (y − z)j + z2k r(t) = t2 i + t3 j + t2 k, 0 ≤ t ≤ 1

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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6/20

step-by-step explanation: