Respuesta :
3.2/10 chance of getting black
6.8/10 chance of getting white
6.8/10 chance of getting white
You got a black marble 32% of the time and a white marble 68% of the time. If I'm correct, the jar most likely had 3 black marbles and 7 white ones. If this doesn't solve your question, please help me out by telling me more. I would like to help you, but I don't have enough information.