Mathematics for IGCSE & O level - Probability (Section 5 - No. 30)
When drawing a ball from the bag. If the first ball selected is not replaced. What will this effect?
The probability of the next outcome being the same.
The total number of outcomes.
The probabilities on the second set of branches
The probability of the first ball being drawn.
解释
Drawing the first ball without replacement means the probabilities in the second draw will be influenced by the first draw.