Arlene is testing whether school is more enjoyable when students are making high grades. she asked 100 students if they enjoyed school and whether their gpa was above or below 3.0. she found that 30 of the 40 students with a gpa above 3.0 reported that they enjoyed school, and 15 of the 60 students with a gpa below 3.0 reported that they enjoyed school. what is the probability that a student with a gpa below 3.0 does not enjoy school?

ok

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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step-by-step explanation: