Mathematics for IGCSE & O level - Probability (Section 1 - No. 28)
Which of the following are considered independent events?
Flipping a coin twice
Drawing a card from a deck, replacing it, then drawing another card
Drawing a card from a deck without replacing it, then drawing another card
Rolling a die and then flipping a coin.
คำอธิบาย
Events are independent if the outcome of one doesn't affect the other. Drawing without replacement means that the first card drawn will affect the outcome of the second draw.