Ask
your own question, for FREE!
Mathematics
30 Online
If I have 3 red marbles and 7 blue marbles and pick and replace marbles with like marbles, what is the probability of picking 3 red marbles in a row?
Still Need Help?
Join the QuestionCove community and study together with friends!
\[\Big\lgroup\frac{Num_Red}{Total_Marbles}\Big\rgroup*\Big\lgroup\frac{Num_Red}{Total_Marbles}\Big\rgroup*\Big\lgroup\frac{Num_Red}{Total_Marbles}\Big\rgroup\]
Imagine this as 3 independent trials using 3 bags of marbles in a row. Each bag has 3 of 10 marbles that are red. The result of one bag is independent of the result of the other bags -- so there is the same fraction, multiplied 3 times for the three seperate bags.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
randogirl123:
me as hello kitty!! Still needs improvements, let me know what you thinkk
928YumAzJr:
u201cThe Shape of Loveu201d I found you once in the hush of spring, When every breeze dared the flowers to sing.
EdwinJsHispanic:
another singing vid but for the people who knows spanish
EdwinJsHispanic:
another singing vid, please give me your thoughts on it
riplordz:
Am I being political for this? I think that pineapple on pizza is great, so do yo
SwaggyMark:
You are the elderly parent of a 50-year-old handicapped individual and want to put some money into an account to secure your child's future.
53 minutes ago
30 Replies
2 Medals
9 hours ago
4 Replies
0 Medals
11 hours ago
16 Replies
1 Medal
1 day ago
20 Replies
2 Medals
1 day ago
43 Replies
1 Medal
2 days ago
10 Replies
0 Medals