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[Maximum mark: 6]
In a robotics lab there are nine identical data-sticks, each labelled with a single code letter:
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A technician randomly selects two sticks, without replacement.
Find the probability that the first stick selected is labelled
- [1]
A,
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- [1]
A or I.
- [2]
Determine the probability that the second stick selected is labelled A, given that the first stick selected was labelled I.
- [2]
Find the probability that both sticks selected are labelled A.
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