Mathematics for IGCSE & O level - Probability (Section 2 - No. 6)
Which events are independent?
Flipping a coin twice.
Drawing a card from a deck and then drawing another without replacement.
Rolling a die and then flipping a coin.
The number of hours studied and the score on a test.
คำอธิบาย
Events are independent if the outcome of one does not affect the outcome of the other. Drawing without replacement means the events are dependent.