1 Answer

Stenerson · Answer 1 · 2021-11-23T21:48:21+0000

Answer:

The probability of an eighth grader winning is 1/3

Explanation:

Total no. of students = 42

Number of students in 7th grade = 21

Number of students in 8th grade = 14

Number of students in 9th grade = 7

Probability of event =
$\frac{\text{Favorable outcomes}}{\text{Total outcomes}}$

So,the probability of an eighth grader winning=
(14)/(42)=(2)/(6)=(1)/(3)

Hence The probability of an eighth grader winning is 1/3

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