fmcryuvnar
fmcryuvnar fmcryuvnar
  • 13-10-2022
  • Mathematics
contestada

In a bag I have 5 red balls and an unknown number of green balls. I draw two at random without replacement. The probability that I draw two different coloured balls is 1/3.

Given that I am able to draw two green balls, how many balls in total were in the bag at the start?

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