Asked by yaregal
two balls are drawn in succession,without replacement, from the box containing 3 red and 2 white balls, what is the probability of drawing a white on the second draw?
Answers
Answered by
PsyDAG
Assuming a red ball is chosen on first draw, P(w) = 2/4
Assuming a white ball is chosen on first draw, P(w) = 1/4
Either-or probabilities are found by adding the individual probabilities.
Assuming a white ball is chosen on first draw, P(w) = 1/4
Either-or probabilities are found by adding the individual probabilities.