How come if X is a Geometric random variable, then P(X>x)=q^x?
undergoe8m
Answered question
2022-11-09
Answer & Explanation
erlent00s
Beginner2022-11-10Added 15 answers
Let Geometric(p) then we know the CDF of X is
So then what does mean then? It means at least k-many trials have failed.
Step 2
Symbolically we have
This is for the definition of Geometric distribution supported on
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