Question
Given below is the distribution of a random variable X If = P (X 3) and = P (X 2), then : =
BITSAT
Mathematics
Probability
2024
BITSAT 2024 (Memory Based Paper 2)
BITSAT Mathematics Question (2024) — Solution
Options
- A. 2: 5
- B. 3: 4
- C. 4: 5
- D. 3: 7
Answer
D. 3: 7
Step-by-step solution
For a distribution of random variable x, =P (X^6 3 )=P (X^6=1 )+P (X^6=2 ) aligned & = +2 =3 \\ & and =P (X^6 2 )=P (X^6=3 )+P (X^6=4 ) \\ & =3 +4 =3 \\ & : =3: 7 aligned
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