und that an exponential distribution with a mean of 5 minutes was suitable to model the duration of a visitor at a website. (i) Find the probability that the website is viewed for at least 3 minutes. (ii) If the website has already been viewed for 1.5 minutes, find the probability that the home page is viewed for an additional 0.5 minutes

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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It was found that an exponential distribution with a mean of 5 minutes was suitable to model the duration of a visitor at a website.

(i) Find the probability that the website is viewed for at least 3 minutes.

(ii) If the website has already been viewed for 1.5 minutes, find the probability that the home page is viewed for an additional 0.5 minutes

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