Jackie885 Jackie885

02-06-2016
Mathematics

contestada

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn.

B)What is the probability of selecting two white marbles?

C) Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Plz show your work THANKS!!

Respuesta :

jojo090801 jojo090801

05-06-2016

b.) there is a 22.2% chance you will pick two white marbles

c.) there is a better change of selecting two purple in a row because there is a 77.7% chance that you will pick purple

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