Skew-symmetric requires diagonal =0 and aij=−aji. So z=0. Also x+y=−3 (from a12=−a21) and 1=−(x−y), i.e. x−y=−1. Solving: x=−2,y=−1,z=0.
If the probability distribution of a discrete random variable X is given as | X | 0 | 1 | 2 | 3 | 4 | |---|---|---|---|---|---| | P(X) | 0.5 | 2k |…
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
If the probability distribution of a discrete random variable X is given as
| X | 0 | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| P(X) | 0.5 | 2k | 3k | 3k | 2k |
Then the value of k is:
Official previous-year question
Held on 25 May 2023 · Verified 13 Jul 2026.
Options
- A
301
- B
201
- C
401
- D
101
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