HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Evan has 6 red marbles and 2 green marbles in a bag. What is the likelihood of him choosing a green marble?
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certain
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likely
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unlikely
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impossible
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Explanation:
Detailed explanation-1: -A successful pick is either a red or green marble. There are 6 red + 11 green = 17 successful picks from a total of 6 + 3 + 11 = 20 marbles. The probability of picking a red or green marble is 17/20 = . 85 or 85% chance.
Detailed explanation-2: -The probability of getting a green marble is 2/7. What is the probability of picking two marbles of different colors in a box that contains 2 white and 3 blue identical marbles If two marbles are picked at random, one after the other without replacement?
Detailed explanation-3: -The chance of drawing a red ball is 2/6 = 1/3. The chance of drawing a green ball is 4/6 = 2/3.
There is 1 question to complete.