Asked by ally
Four marbles are drawn at random from a bag containing 7 black marbles and 10 red marbles. Determine the number of outcomes in the sample space of this experiment if the marbles are drawn without replacement.
Answers
Answered by
Reiny
All black --- 1
3black, 1red = 4!/(3!1!) = 4
2black, 2red = 4!(2!2!) = 6
1 black, 3red = 4
all red = 1
BBBB
BBBR
BBRB
BRBB
RBBB
BBRR
RRBB
BRBR
RBRB
BRRB
RBBR
RRRB
RRBR
RBRR
BRRR
RRRR
3black, 1red = 4!/(3!1!) = 4
2black, 2red = 4!(2!2!) = 6
1 black, 3red = 4
all red = 1
BBBB
BBBR
BBRB
BRBB
RBBB
BBRR
RRBB
BRBR
RBRB
BRRB
RBBR
RRRB
RRBR
RBRR
BRRR
RRRR
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.