Statistics Practice: Two Draws Without Replacement

Statistics Practice: Two Draws Without Replacement

Choose one exact numerical answer in the unit requested. Fractions such as 3/2 mean an exact value; no rounding unless requested. All 20 questions appear in random order. Practice target: 16/20. These are focused mathematics exercises, not a complete examination.
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There are 4 gold and 6 silver tokens. Choose two uniformly without replacement. What is the probability of one of each colour, in either order?