The number of years that a radio function is an exponential random variable with an average value 8. (a) If you buy a radio today, what is the probability that it will be functioning 10 years from now? (b) If it is still functioning two years from now, what is the conditional probability that it lasts atleast an additional 7 years?

The number of years that a radio function is an exponential random variable with an average value 8. (a) If you buy a radio today, what is the probability that it will be functioning 10 years from now? (b) If it is still functioning two years from now, what is the conditional probability that it lasts atleast an additional 7 years?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The number of years that a radio function is an exponential random variable with an average value 8.

(a) If you buy a radio today, what is the probability that it will be functioning 10 years from now?

(b) If it is still functioning two years from now, what is the conditional probability that it lasts atleast an additional 7 years?

Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.

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