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?

Question

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?

ajanijones · Answer

A.= 2/5
B. = 3/5
C.2/3

D. 3/7

ajanijones · Answer

Please help

anonymous · Answer

number of black balls / total number of balls

ajanijones · Answer

So do you know the answer cause i dont :(

ajanijones · Answer

@sourwing  do you know the answer please.