> #mathematics , #probability , #education > In a primary so class,there are 25 girls and 15 boys.The school wishes to elect a headprefect f primary six.What is the probability that the headprefect elected is a girl?
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more than 1 week ago

In a primary so class,there are 25 girls and 15 boys.The school wishes to elect a headprefect f primary six.What is the probability that the headprefect elected is a girl?

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more than 1 week ago
The total number of students in the class is 25 girls + 15 boys = 40 students.

The probability of selecting a girl as the head prefect is the number of girls in the class divided by the total number of students in the class:

Probability = Number of girls / Total number of students
Probability = 25 / 40
Probability = 5/8

Therefore, the probability that the head prefect elected is a girl is 5/8.
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