Mathematics · Probability
A random variable X has the following probability distribution: X: 0, 1, 2, 3, 4, 5, 6, 7 P(X): 0, K, 2K, 2K, 3K, K2, 2K2, 7K2 + K Then the value of K is:
- 1110✓
- 225
- 313
- 412
Correct answer
110
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