Mathematics, 13.12.2019 00:31 krislinsanchez8088
Jessica has several red, white, and black marbles in her pocket. if she draws a marble out of her pocket without looking, the probability of drawing a red marble is
2
5
,
the probability of drawing a white marble is
1
10
,
and the probability of drawing a black marble is
1
2
.
how many marbles of each color could she have? show your work.
Answers: 1
Mathematics, 21.06.2019 20:50, kidpryo1
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
Answers: 1
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