The length of time (in minutes) that a certain lady speaks on the telephone2)Example 30is found to be random phenomenon, with a probability function specified by the functionf(x) =Ae-x/5for x 20%3D0, otherwise(i) Find the value of A that makes f(x) a probability density function.(ii) What is the probability that the number of minutes that she will take over the phoneis more than 10 minutes?

Answered: Image /qna-images/answer/5e753e38-18bc-4c5a-b0c9-ea3e26b13942.jpg

Answered: Example 30 : The length of time (in…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 10E

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