Answer:
[tex]\frac{2}{7}[/tex]
Step-by-step explanation:
The possibility of the event A occurring is given by the formula:
[tex]\boxed{P(A)= \frac{\text{number of favourable outcomes in A}}{\text{total possible outcomes}}}[/tex]
Since the event that we are looking for (favourable event) is choosing a girl with glasses, the number of favourable outcomes is the number of girls with glasses in the class.
Number of favourable outcomes= 4
Total possible outcomes
= total number of students in the class
= 10 +4
= 14
Thus, P(girl with glasses)
= [tex]\frac{4}{14}[/tex]
= [tex]\bf{\frac{2}{7} }[/tex]
Additional:
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