Mathematics · Probability and Statistics
What is the mean of the given distribution?
- 12n+1 - n + 22n
- 22n+1 - n - 22n - 1✓
- 32n+1 - n - 22n-1
- 42n+1 - n + 22n - 1
Correct answer
2n+1 - n - 22n - 1
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