Sunday
March 1, 2015

Homework Help: statistics

Posted by Andrea on Tuesday, February 15, 2011 at 5:14pm.

An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is
Red?
Not blue?
blue or yellow

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - A bag contains 11 red balls, 9 blue balls and x yellow balls. The ...
Math - Assume that you are drawing two balls without replacement from an urn ...
statistics - A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 ...
math - A box contains 8 blue balls and 2 red balls. Three balls are selected ...
Statistics - A bowl contains 3 red balls, 2 blue balls and 5 white balls. A ball...
stats - A box contains 10 red balls and 20 blue balls. Three balls are selected ...
statistics - Two urns each contain yellow balls and black balls. Urn 1 contains ...
Math - A bag contains 5 balls,8 white balls, 9 green balls,7 blue balls& 6 ...
statistics - A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 ...
maths - there are six red balls and nine blue balls in a box.a ball is selected ...

Members