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Mathematics, 09.05.2021 05:00, ivilkas23
Lorenzo has a bag with 20 marbles. There are 5 yellow marbles, 5 green marbles, 5 red marbles, and 5 blue marbles. He selects a marble at random and returns it to the bag. He then selects another marble. Select all statements that are true.
A. The expected probability of selecting a blue marble first is not the same as the
expected probability of drawing a red marble second.
B. The expected probability of selecting either a red or a blue marble first is 1/2 .
C. There are 16 possible outcomes in the sample space.
D. The expected probability of selecting a red marble first and a blue marble second
is 1/4.
E. The expected probability of selecting the same color first and second is 1/4.
F. There are 12 possible outcomes where the first and second colors are not the same.
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Answers: 2
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