Ask
your own question, for FREE!
Mathematics
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
Monicasayshi:
what's up my fellow friends, I have this English essay I have to write and it's a
reginae:
for everyone who didn't look at my bio stop before texting me
kekeman:
Was the Berlin Wall the most important event during the Cold War?
Extrinix:
I have noticed many new (and even some older) users asking for help doing the basics of LaTeX, so here is a guide.
kekeman:
Did Gorbachev Implement policies to negatively restructure society and politics.
3 minutes ago
10 Replies
1 Medal
14 minutes ago
7 Replies
0 Medals
4 hours ago
5 Replies
3 Medals
17 minutes ago
83 Replies
3 Medals
4 hours ago
5 Replies
1 Medal