Suppose that the lifetime X (in hours) of a certain type of flashlight battery is a random variable on31/10 27 ≤x≤ 56. Find the probability that"the interval 27 ≤x≤56 with probability density function f(x) ==a battery selected at random will last at least 40 hours.The probability is . (Type a simplified fraction.)

The probability density function fx is fx=130,27≤x≤56.

Answered: Suppose that the lifetime X (in hours)…

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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