In a class there are 20 boys and 19 girls if one student comes late and is sent home find the probability of selecting a giel
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The probability of selecting a girl to send home is 19/39 .
• Given,
Number of boys in a class = 20
Number of girls in the same class = 19
• Total number of students in the class = Number of boys + Number of girls
∴ Total number of students = 20 + 19 = 39
• Probability of selecting a girl = Number of girls in the class / Total number of students in the class
=> Probability of selecting a girl = 19/39
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