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In a class of 30 students, 18 are boys. What is the probability that a randomly selected student is a girl?

Practice Questions

1 question
Q1
In a class of 30 students, 18 are boys. What is the probability that a randomly selected student is a girl?
  1. 1/3
  2. 2/5
  3. 1/2
  4. 3/5

Questions & Step-by-step Solutions

1 item
Q
Q: In a class of 30 students, 18 are boys. What is the probability that a randomly selected student is a girl?
Solution: Number of girls = 30 - 18 = 12. Probability = Number of girls / Total students = 12/30 = 2/5.
Steps: 0

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