Let X denotes the number of hours a person uses a mobile and the probability distribution of X is as
| X | 0 | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| P(X) | 0.1 | K | 2K | 2K | K |
Then the value of K is
Held on 19 May 2025 · Verified 13 Jul 2026.
0.15
0.20
0.12
0.16
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