Mathematics · Probability
If the probability mass function for a discrete random variable x is given as f(x) = x + 315 for x = 1, 2, 3, then find the sum of the probabilities over the entire distribution.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.75
- 20.85
- 30.95
- 41.0✓
Correct answer
1.0
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