The probability of a man hitting a target is 1/5. If the man fires 7 times, then what is the probability that he hits the target at least twice?
- A$1-(\frac{3}{5})(\frac{4}{5})^6$
- B$1-(\frac{3}{5})(\frac{4}{5})^7$
- C$1-(\frac{11}{5})(\frac{4}{5})^6$
- D$1-(\frac{11}{5})(\frac{4}{5})^7$
✓ Correct answer: C
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