This question illustrates conditional probability with exclusion of a group (Year 11 students).
\( \begin{array}{l}\text{A standard deck of 52 cards contains 13 cards in each suit.} \\ \text{A card is selected at random.} \\ \text{What is the probability that it is a diamond, given that it is not black?}\end{array} \)
Choose one option:
Identify the subset satisfying the condition and compute probability within it.
Focus on the subset of students not in Year 11 to compute probability.
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