Ask
your own question, for FREE!
Mathematics
36 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
AsianPanda08:
Does anyone know how to change the background of this?
AsianPanda08:
Why do people with asthma need to breathe air of the opposite weather. For me, I need to breathe cold air to help me when its hot.
xXAikoXx:
I sang a small part of Camellia Flower Lady by Lee Mi-ja (I sang in Korean)
xXAikoXx:
I sang the chorus of Love Me Not by Ravn Lenae (I'm sort of tired so sorry if it
laylasnii13:
poem : Iu2019m sorry if I fade I never meant to disappoint, but I did over and over.
5 minutes ago
2 Replies
0 Medals
12 hours ago
4 Replies
0 Medals
5 hours ago
18 Replies
3 Medals
5 hours ago
12 Replies
4 Medals
17 hours ago
9 Replies
5 Medals