A telephone company determines that the duration t, in minutes, of a phone call is an exponentially distributed random variable with a probability density function f(t) = 2e-2¹, 0st<∞o. Find the probability that a phone call will last no more than 1.5 min. The probability is (Round to six decimal places as needed.)
A telephone company determines that the duration t, in minutes, of a phone call is an exponentially distributed random variable with a probability density function f(t) = 2e-2¹, 0st<∞o. Find the probability that a phone call will last no more than 1.5 min. The probability is (Round to six decimal places as needed.)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A telephone company determines that the duration t, in minutes, of a phone call is an exponentially distributed random variable with a probability density function f(t) = 2e-2t, 0≤t<∞. Find the
probability that a phone call will last no more than 1.5 min.
b Answered: Find (a) the X
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