Posted by orange on Wednesday, April 18, 2012 at 8:31am.
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black?

math  Reiny, Wednesday, April 18, 2012 at 9:42am
prob (black) = 30/50 = 3/5

math  idk, Thursday, April 25, 2013 at 3:24pm
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black?PLEASE HELP !!!!!!!!!

math  Isabelle, Wednesday, January 7, 2015 at 10:37am
The answer is 30/50 and that made smaller is 3/5 so your answer is 3/5

math  lala, Friday, April 15, 2016 at 10:19am
idk

math  jose, Tuesday, May 31, 2016 at 10:04pm
Find the experimental probability.
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black?
A.
B.
C.
D.
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