Posted by nicole on Saturday, April 10, 2010 at 8:35pm.
A bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at random. What is the probability that both marbles are red?

Math probability  bobpursley, Saturday, April 10, 2010 at 8:39pm
Pr(both red)=10/13*10/13
Answer This Question
Related Questions
 Math  Did I answer this problem right? A bag contains 13 marbles of which 10 ...
 math  Please help with this question. A bag contains 10 marbles of which 3 are ...
 math  A bag contains 13 marbles of which 10 are red. A marble is selected at ...
 Algebra  a bag contains 13 marbles of which 10 are red. A marble is selected at...
 math  An urn contains 5 red marbles, 4 blue marbles, and 3 green marbles. A ...
 Math, please check work  A bag contains 7 red marbles, 2 blue marbles, and 1 ...
 Math probability  HELP  A bag contains 3 red, 5 yellow, 2 green and 6 blue ...
 Math  A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The ...
 probability Please check answer  A bag contains 7 red marbles, 2 blue marbles, ...
 Math  A jar contains 5 red marbles and 3 green marbles. A marble is drawn at ...
More Related Questions