Mathematics, 05.02.2021 23:00 emanueln
An urn contains three red marbles and four blue marbles. One marble is selected at random, its color is noted, and it is returned to the urn.
Another marble is then selected. What is the probability that the second marble drawn is red?
A.1/2
b:1/7
c:2/7
d:3/7
Answers: 3
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An urn contains three red marbles and four blue marbles. One marble is selected at random, its color...
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