Probability

Probability

Secondary 4

Mei and Dan each take one shot at a target. Their results are independent.
Mei hits with probability \(0.7\); Dan hits with probability \(0.6\).

  1. Find the probability that both hit.

  2. Find the probability that exactly one hits.

  3. Find the probability that at least one hits.

  4. A student uses \(0.7+0.6\) for part c. Explain why this is incorrect.

Solution:

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Answer:(a) \(0.42\); (b) \(0.46\); (c) \(0.88\); (d) “both hit” was counted twice.

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