SOLUTION: An urn contains 8 red chips, 10 green chips, 2 white chips. A chip is drawn and replaced, and than a second chip drawn. what is the probability of b. a white chip on the first

Algebra.Com
Question 469654: An urn contains 8 red chips, 10 green chips, 2 white chips. A chip is drawn and replaced, and than a second chip drawn. what is the probability of
b. a white chip on the first and a red on the second?
c. two green chips being drawn?
d. a red chip on the second, given that a white chip was drawn on the first?

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
b)2/20 * 8/20 = 1/25
.
c)10/20 * 10/20 = 1/4
.
d)1/25
.
Ed

RELATED QUESTIONS

An urn contains 8 red chips, 10 green chips, and 2 white chips. A chip is drawn and... (answered by ikleyn)
An urn contains 8 red chips, 10 green chips, and 2 white chips. A chip is drawn and... (answered by ikleyn)
a box contains 8 red chips, 6 blue chips, and 12 white chips. three chips are randomly... (answered by stanbon)
A bowl contains 5 red chips 7 blue chips 6 yellow chips and 20 green chips . One chip is... (answered by ewatrrr)
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected... (answered by ewatrrr,solver91311)
A box contains exactly five chips, three red and two white. Chips are randomly removed... (answered by Boreal)
a box has 2 red chips, 2 blue chips. and 1 green chip. 2 chips are randomly selected... (answered by chiggypiggy)
A chip is drawn at random from a jar containing 8 red, 2 blue, 3 green, 4 yellow, and 3... (answered by macston)
A box contains two red chips and three white chips. Let X denote the number of draws... (answered by jrfrunner)