HEREDITY
BASICS OF PROBABILITY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A bag has 10 marbles:3 blue, 2 yellow, 4 red, and 1 purple.What is the probability of picking out a purple marble?
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3/10
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1/10
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4/10
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Explanation:
Detailed explanation-1: -If there are three red marbles and two blue marbles, then the probability of drawing any red marble is the number of outcomes in the event “ red, ” which is equal to three, divided by the total number of outcomes, 5, or 3/5 = 0.6.
Detailed explanation-2: -The probability of drawing a blue marble = 1/5.
Detailed explanation-3: -1 Expert Answer Since there are 7 purple marbles out of 12 total there is a 7/12 probability you will draw a purple marble on the first draw.
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