7. Suppose that the time till a beggar gets something is exponentially distributed with mean 2 minutes. What is the probability that he/she gets something in 2 minutes? Suppose that he/she has not gotten anything in the last 5 minutes. Now what is the probability that he/she gets something in the next 2 minutes?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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7. Suppose that the time till a beggar gets something is exponentially distributed with
mean 2 minutes. What is the probability that he/she gets something in 2 minutes?
Suppose that he/she has not gotten anything in the last 5 minutes. Now what is the
probability that he/she gets something in the next 2 minutes?
Transcribed Image Text:7. Suppose that the time till a beggar gets something is exponentially distributed with mean 2 minutes. What is the probability that he/she gets something in 2 minutes? Suppose that he/she has not gotten anything in the last 5 minutes. Now what is the probability that he/she gets something in the next 2 minutes?
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