Probability: Forming a One- or Two-Digit Number
Probability: Forming a One- or Two-Digit Number
Secondary 2
The digits \(2,6,7\) are on three separate cards. Choose uniformly from all the distinct one- or two-digit numbers that can be formed without reusing a card. Find the probability that the chosen number
- consists of two digits,
- is a prime number,
- is a multiple of \(5\).
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Answer:(a) \(\frac23\) (b) \(\frac13\) (c) \(0\)
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