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A bag contains 6 red, 3 blue, 2 green and 1 white balls. What is the

theoretical probability of selecting a red ball.
Select one:
a. 1/2
b. 7/12
c. 5/12
d. 3/12

User Emrekyv
by
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1 Answer

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A: The expected (or theoretical) probability is defined by favorable outcomes/total number of possible outcomes. In this case, we have to solve P(t) of red marbles.

6+3+2+1=12
6/12=1/2

Therefore, the theoretical probability of randomly choosing a red marble is 1 in 2 (A).
User Wayne Smith
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