Very Short Answers Type Questions- Probability Class 9 Notes | EduRev

Mathematics (Maths) Class 9

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Class 9 : Very Short Answers Type Questions- Probability Class 9 Notes | EduRev

The document Very Short Answers Type Questions- Probability Class 9 Notes | EduRev is a part of the Class 9 Course Mathematics (Maths) Class 9.
All you need of Class 9 at this link: Class 9

Question 1. A die is thrown once. Find the probability of getting a prime number.
 Solution:
Number of possible outcomes = 6
Number of favourable outcomes = 3
∴ 2, 3 and 5 are prime numbers
∴ Required probability = (3/6) or (1/3)


Question 2. A coin is thrown once. Find the probability of getting a head.
 Solution:
Number of possible outcomes = 2
Number of favourable outcome = 1
∴ The required probability = (1/2)


Question 3. From a group of 2 boys and 3 girls, we select a child. Find the probability of this child being a girl.
 Solution:
Total number of outcomes = 3 + 2 = 5
Number of favourable outcomes = 3
∴ The required probability = (3/5)

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