HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following balls are placed in an urn:5 red, 4 yellow, 7 blue, and 7 green. One ball is randomly drawn from the urn. What is the probability that the ball is either yellow or green?
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5/23
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9/23
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11/23
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7/23
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Explanation:
Detailed explanation-1: -The chance of drawing a green ball is 4/6 = 2/3.
Detailed explanation-2: -Therefore, the probability of getting a red ball randomly is 1/2 or 0.5.
Detailed explanation-3: -Probability of getting a red or green ball =TR+G=15(5+4)=159=53.
Detailed explanation-4: -Hence Probability of such event is zero.
There is 1 question to complete.