JEE Math Practice Question
Three rotten apples are accidently mixed with fifteen good apples. Assuming the random variable $$x$$ to be the number of rotten apples in a draw of two apples, the variance of $$x$$ is
- A.$$\frac{57}{153}$$
- B.$$\frac{40}{153}$$
- C.$$\frac{37}{153}$$
- D.$$\frac{47}{153}$$
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