Homework Help: lpu collage

Posted by sunil on Monday, January 21, 2013 at 10:49pm.

An urn contains 7 red and 3 white marbles. Three marbles are drawn from the urn one after another.
Find the probability that first two are red and third is white if,
a) Marbles drawn are replaced after every draw.
b) Marbles drawn are not replaced after every draw.

lpu collage - Ms. Sue, Monday, January 21, 2013 at 10:57pm
What kind of pictures do you use for an ipu collage?

Answer this Question

Related Questions

Mathematics - There are 2 white marbles in urn A and 4 red marbles in urn B . At...
statistics - An urn contains white and red balls. Four balls are randomly drawn ...
statistics - An urn contains white and red balls. Four balls are randomly drawn ...
Math - The odds are 3 to 5 in favor of drawing a blue marble in one random ...
Math - A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
College Finite Math - Your Open QuestionShow me another » If the ball is ...
Math - A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
MATH(STATISTICS) - Urn A contains R red balls and W white balls, urn B contains ...
MATH - Urn A contains six white balls and three black balls. Urn B contains ...
MATH - An urn contains 8 pink and 7 red balls. 6 balls are randomly drawn from ...

For Further Reading

First Name:
School Subject:
Answer: