suppose in a bag there are 3 white, 2 yellow, and 2 purple balls.Now you picked up 4 balls randomly from the bag What is the probability that none of them yellow?
1) 2/7
2) 1/14
3) 1/7
4) 3/7
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Given Data: 3 white, 2 yellow and 2 purple balls.
To Find: Probability of non yellow.
Solution:
Probability is defined as the chances of getting the results and how it will occur.
For example, In a coin there is only head and tail so having the probability of head is .
Similarly, there are 3 white, 2 yellow and 2 purple balls. The total is .
Not yellow = 3 White + 2 Purple balls ; Not yellow = 5.
Probability of Not Yellow =
Hence, The probability of not yellow is .
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