Mathematics · Probability Distributions
If n is a natural number, then for which value of k is the following function a valid probability mass function? f(x) = n!x!(n - x)! kx(1 - k)n - x, where x = 0, 1, 2, ..., n
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1k = 0.2✓
- 2k = 10
- 3k = 5
- 4k = 2
Correct answer
k = 0.2
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