TS EAMCET · Maths · Probability
If two dice are thrown and if \(X\) denotes the sum of the numbers that show up on the faces of the dice then the mean of the random variable \(\mathrm{X}\) is
- A \(\frac{27}{4}\)
- B \(\frac{35}{6}\)
- C \(\frac{41}{3}\)
- D 7
Answer & Solution
Correct Answer
(D) 7
Step-by-step Solution
Detailed explanation
now mean of \({X}=\frac{\Sigma {P}_{{i}} {X}_{{i}}}{\Sigma {P}_{{i}}}=\frac{252}{36 \times 1}=7\)
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