Asked by Star K
A box contains four red marbles, seven white marbles, and five blue marbles. If two marbles are drawn one at a time, find the probability that both marbles are white if the draws are made as follows:
(a) With replacement ____________ (b) Without replacement ______________
(a) With replacement ____________ (b) Without replacement ______________
Answers
Answered by
drwls
There is a total of 16 marbles and 7 are white.
With replacement: (7/16)*(7/16) = 49/256 = 0.1914
Without replacement: (7/16)*(6/15) = 42/240 = 7/40 = 0.1750
With replacement: (7/16)*(7/16) = 49/256 = 0.1914
Without replacement: (7/16)*(6/15) = 42/240 = 7/40 = 0.1750
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.