Asked by Anonymous
Three marbles are drawn without replacement from an urn containing 4 red marbles, five what marbles, and two blue marbles. Determine the probability that None is red
Answers
Answered by
MathMate
4 red out of (4+5+2)=11 marbles
Probability that first draw has no red
=(11-4)/11
=7
No replacement, so probability for second draw
= (10-4)/10
=6/10
Probability that both have no red
= product of the two probabilities.
Probability that first draw has no red
=(11-4)/11
=7
No replacement, so probability for second draw
= (10-4)/10
=6/10
Probability that both have no red
= product of the two probabilities.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.