Ask
your own question, for FREE!
Mathematics
16 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
xXAikoXx:
I need help. Does anybody know any tips on how to relax and not fear? I'm struggling to do that right now.
jinxthelovely:
does anybody have any tips on how to do geomotry?? im struggling
SnowyBreaks:
What's the best and safest way to catch a wild squirrel in your house-?
BloodyMoney:
https://open.spotify.com/track/40QrLHWdsxyXLAdjJG4Rxs?si=937451cbf1dc46d1 This so
bigbaddiedaddy:
hey question cove, I got a very debatable subject here and hoping to get lots of opinions.
Twaylor:
Question: Hypotheticaly if you went the frame rate of the universe (plank time), and turned that into " 1 plank time to 1 meter ", could you essentially tel
13 minutes ago
4 Replies
1 Medal
7 hours ago
3 Replies
1 Medal
1 day ago
3 Replies
1 Medal
1 day ago
1 Reply
0 Medals
1 day ago
19 Replies
2 Medals
2 days ago
18 Replies
2 Medals