Wednesday
April 23, 2014

Homework Help: statistics

Posted by Anonymous on Friday, April 13, 2012 at 12:19am.

A box contains 3 white and 5 black balls. Four balls are drawn at random
"with replacement" from the box (i.e. selected balls are returned to the
box and mixed, before drawing the next ball). Let X be the number of
black balls drawn. What is the distribution of X? What is the probability
that 3 or more black balls are drawn?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

MATH 12 HELP! - One bag contains 4 white balls and 6 black balls. Another bag ...
statistics - Two urns each contain yellow balls and black balls. Urn 1 contains ...
Math (Probability) - An urn A contains 6 white balls and 7 black balls. And urn ...
Math (Probability) - An urn A contains 6 white balls and 7 black balls. And urn ...
******MATH 12******* - How about this. One bad contains 4 white balls and 6 ...
math - we have box,in box 3 white balls,4 red balls,4 black balls..how i choose ...
MATH Prob. - A box contains two black balls and three gold balls. Two balls are ...
math - A box contains two black balls and three gold balls. Two balls are ...
Math - A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are ...
Math - A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are ...

Search
Members