The life expectancy (in years) of a certain brand of clock radio is a continuous random variable with the probability density function below. f(x) = { 2/x+22 #x20 otherwise (A) Find the probability that a randomly selected clock lasts at most 6 years. (B) Find the probability that a randomly selected clock radio lasts from 6 to 11 years. (C) Graph y = f(x) for [0, 11] and show the shaded region for part (A).
The life expectancy (in years) of a certain brand of clock radio is a continuous random variable with the probability density function below. f(x) = { 2/x+22 #x20 otherwise (A) Find the probability that a randomly selected clock lasts at most 6 years. (B) Find the probability that a randomly selected clock radio lasts from 6 to 11 years. (C) Graph y = f(x) for [0, 11] and show the shaded region for part (A).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 70E
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