Posted by Sabrina on Tuesday, April 21, 2009 at 7:22pm.
Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.

College Math  Reiny, Tuesday, April 21, 2009 at 9:52pm
Find the prob of getting both green ones
which is
C(2,2)*C(12,7)/C(14,9)
= 792/2002
so prob(not all green) = 1 792/2002
= 1210/2002
55/91
Answer This Question
Related Questions
 MATH  Suzy has a bag containing 3 red marbles, 2 green ones, 4 white ones, and ...
 College Math  Suzan sees a bag of marbles, she grabs a handful at random. She ...
 probability  call from Example 1 that whenever Suzan sees a bag of marbles, she...
 College Math  Suzan sees a bag of marbles, she grabs a handful at random. She ...
 math  a bag containing 3 red marbles, 2 green ones, 8 white ones, and 1 purple ...
 finite math  Recall from Example 1 that whenever Suzan sees a bag of marbles, ...
 Math  There is a large bag with marbles in it. There are 23 red ones, 16 black ...
 math125  Twenty marbles are used to spell a wordâ€”9 blue ones, 5 red ones, 3 ...
 math  A bag contains 3 red marbles, 2 green ones, 1 lavender one, 2 yellows, ...
 MATH  A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, ...
More Related Questions