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# "Durability" is the measure of how long a certain appliance

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Manager
Joined: 16 Jun 2018
Posts: 52
Re: "Durability" is the measure of how long a certain appliance  [#permalink]

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07 Aug 2018, 16:26
Hello, Could anyone please explain the question statement in detail?
Thanks
Intern
Joined: 10 Dec 2017
Posts: 21
GMAT 1: 680 Q48 V35
Re: "Durability" is the measure of how long a certain appliance  [#permalink]

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13 Sep 2018, 09:03
we can use a bit of statistics to ace the argument

let's evaluate the durability of refrigerators 60 years ago based on the option B
considering 100 refrigerators , with a mean of 15 years for durability
say 50 refrigerators as per option B function for 1 year and then break down
the others 50 refrigerators will function for a period of 29 years before breaking down
50x1+50x29=100x15=1500

this weakens the argument in that not all the refrigerators do break down after 15 years of operation !
Re: "Durability" is the measure of how long a certain appliance   [#permalink] 13 Sep 2018, 09:03

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