1. There is a box that contains 5 red balls and 3 white balls.
a. If you take 2 balls randomly at the same time, what is the probability:
- both balls are red
- Both balls drawn are the same color
- one of them is a red ball
b. The same question, but taking the 2 balls is done one by one with returns (that is, one ball is taken, its color is seen, then it is returned to the box, only after that one more ball is taken)

Answer rating: 100% (QA)

Total number of balls 5 3 8 number of red balls 5 number of white balls 3 aif two balls are taken ra... View the full answer