In Exercises 107 and 108, the random variable represents the number of units of a
Chapter 9, Problem 107(choose chapter or problem)
Probability In Exercises 107 and 108, the random variable represents the number of units of a product sold per day in a store. The probability distribution is given by P(n). Find the probability that two units are sold in a given day [P(2)] and show that \(P(0)+P(1)+P(2)+P(3)+\cdots \cdot=1\).
P(n)=\frac{1}{2}\left(\frac{1}{2}\right)^{n}
Text Transcription:
P(0)+P(1)+P(2)+P(3)+cdotscdot=1
P(n)=frac12(frac12right)^n
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