SophiaPretty

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About SophiaPretty

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Elementary,Middle School,High School,College,University,PHD

Expertise:
Accounting,Algebra See all
Accounting,Algebra,Applied Sciences,Architecture and Design,Art & Design,Biology,Business & Finance,Calculus,Chemistry,Communications,Computer Science,Economics,Engineering,English,Environmental science,Essay writing Hide all
Teaching Since: Jul 2017
Last Sign in: 304 Weeks Ago, 1 Day Ago
Questions Answered: 15833
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  • MBA,PHD, Juris Doctor
    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

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  • Manager Planning
    WalMart
    Mar-2001 - Feb-2009

Category > Math Posted 15 Aug 2017 My Price 6.00

Questions 15 - 17 refer to the following:

Questions 15 - 17 refer to the following: The average lifetime of a certain new cell phone is 3 years. The manufacturer will replace any cell phone failing within 2 years of the date of purchase. The lifetime of these cell phones is known to follow an exponential distribution. EXERCISE 15 15. The decay rate is A. 0.3333 B. 0.5000 C. 2.0000 D. 3.0000 EXERCISE 16 16. What is the probability that a phone will fail within 2 years of the data of purchase? A. 0.8647 B. 0.4866 C. 0.2212 D. 0.9997 
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SophiaPretty
(5)
Status NEW Posted 15 Aug 2017 01:08 PM My Price 6.00

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