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.

Events are independent if the outcome of one does not affect the outcome of the other. Drawing without replacement means the events are dependent.