A fair coin is tossed 4 times. If $$X$$ is a random variable which indicates number of heads, then $$\mathrm{P}[\mathrm{X}<3]=$$
- A$$\frac{10}{16}$$
- B$$\frac{1}{16}$$
- C$$\frac{12}{16}$$
- D$$\frac{11}{16}$$
✓ Correct answer: D
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