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#1 Re: Help Me ! » help me to solve statistics » 2008-08-06 19:42:27

wiz
wiz wrote:

Real challenge to solve this!up
Urn A contains 6 red and 4 black balls and Urn B contains 4 red and 6 black balls.
                      One ball is picked at random from Urn A and placed in Urn B. Then one ball is picked from Urn B et random and placed in Urn A.
                      If one ball is now picked at random from A now,What is the probability of its being red?dunno

Can anyone wave help me with the right solution

faint

#2 Re: Help Me ! » help me to solve statistics » 2008-08-06 19:38:35

wiz

Real challenge to solve this!
Urn A contains 6 red and 4 black balls and Urn B contains 4 red and 6 black balls.
                      One ball is picked at random from Urn A and placed in Urn B. Then one ball is picked from Urn B et random and placed in Urn A.
                      If one ball is now picked at random from A now,What is the probability of its being red?

Can anyone help me with the right solution

#3 Help Me ! » help me to solve statistics » 2008-05-26 23:12:23

wiz
Replies: 3

hi everyonewave
i am a new user. can anyone there help me with the right solution
Given that 6 computers of type A,12 computers of type B are in a office, if 25%of the computers are connected to color printers and 33 1/3% of the computers that are connected to color printers are type B then how many type A computers are connected to color printers?
eek
thanks

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