Gabby's office recycled a total of 36 kilograms of paper over 18 weeks. After 25 weeks, how many kilograms of paper will Gabby's office have recycled? Assume the relationship is directly proportiona

the expected value of the random variable : 0, 1 and 2

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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