ESE 2026Q63
Q: Let X₁ and X₂ be two independent random variables having variances k and 4 respectively. If the variance of Y = 3X₂ − X₁ is 49, then what is the value of k?
(a)7
(b)13
(c)9
(d)11
Answer pending verification
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ESE 2026Q. 63 of 100