If a student is selected at random from a group of 20 students, what is the probability that the student is not a girl if there are 12 girls? (2020)
Practice Questions
1 question
Q1
If a student is selected at random from a group of 20 students, what is the probability that the student is not a girl if there are 12 girls? (2020)
2/5
1/5
3/5
1/2
Number of boys = 20 - 12 = 8. Probability = 8/20 = 2/5.
Questions & Step-by-step Solutions
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Q
Q: If a student is selected at random from a group of 20 students, what is the probability that the student is not a girl if there are 12 girls? (2020)
Solution: Number of boys = 20 - 12 = 8. Probability = 8/20 = 2/5.
