The life X (in years) of a voltage regulator of a car has the pdf: X 3 - (-/-)². 3x2 73 0≤x≤∞ What is the probability that this regulator will last at least 7 years? Give your answer to 3 decimal places and show working.

The life X (in years) of a voltage regulator of a car has the pdf: X 3 - (-/-)². 3x2 73 0≤x≤∞ What is the probability that this regulator will last at least 7 years? Give your answer to 3 decimal places and show working.

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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Question

The life X (in years) of a voltage regulator of a car has the pdf:
X
3
- (-/-)².
3x2
73
0≤x≤∞
What is the probability that this regulator will last at least 7 years? Give your answer
to 3 decimal places and show working.

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