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For how many of the years shown did the ratings for Program

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For how many of the years shown did the ratings for Program [#permalink] New post 06 Jun 2017, 06:34
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Question Stats:

77% (03:52) correct 22% (04:26) wrong based on 18 sessions


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#GREpracticequestion For how many of the years shown did the ratings for Program y increase over the ratings for Program y the previous year.jpg
#GREpracticequestion For how many of the years shown did the ratings for Program y increase over the ratings for Program y the previous year.jpg [ 59.52 KiB | Viewed 3285 times ]
For how many of the years shown did the ratings for Program y increase over the ratings for Program y the previous year?

A) Two

B) Three

C) Four

D) Five

E) Six

[Reveal] Spoiler: OA
C


In 1995 there were 95 million television households in the United States. If, in 1983, there were 80 percent of the number of television households in 1995, then approximately how many television households, in millions, viewed Program y in 1983 ?

A) 80

B) 76

C) 15

D) 12

E) 10

[Reveal] Spoiler: OA
E


If there were 20 million television households in the United States in 1983, then the number of viewers of Program x is what percent greater than the number of viewers of Program y in 1983 ? (Ignore the percent sign when entering the answer).

enter your value

[Reveal] Spoiler: OA
19.23


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Re: Television Ratings [#permalink] New post 26 Sep 2017, 07:41
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Q1: there is a typo in the question since it uses y twice

Q2: in 1983, there were 95*0.8 = 76 million TV and those watching program y where 0.13*76 = 9.88, rounded to 10. Answer E

Q3: the percent variation between program x and y in 1983 is computed as \(\frac{0.155*20-0.13*20}{0.13*20}*100 = 19.23%\)
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Re: Television Ratings [#permalink] New post 27 Sep 2017, 02:53
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Question one is correct as it is written.

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Re: Television Ratings [#permalink] New post 27 Sep 2017, 04:25
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Carcass wrote:
Question one is correct as it is written.

Regards


Ok, then Q1 is solved by just counting the number of increasing segments between two consecutive years: 1980-81, 1981-82, 1982-83, 1983-84. Then the answer is 4, i.e. choice C
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Re: Television Ratings [#permalink] New post 10 Sep 2018, 12:55
Hi, for Q.3, on actual test, will it be still marked correct if we put 19.2 instead of 19.23, because they haven't specified accuracy to what decimal here?
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Re: Television Ratings [#permalink] New post 12 Sep 2018, 10:03
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Yes you can. Doen not change.

However, an official question clear the way from this doubts.

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