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A recent report determined that although only 5 percent of

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A recent report determined that although only 5 percent of [#permalink]

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New post 23 Apr 2010, 10:48
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A recent report determined that although only 5 percent of homeowners in Stockton have outfitted their homes with burglar alarms, 25 percent of all Stockton homes that have been burglarized within the last five years were outfitted with them. Clearly, homeowners who outfit their homes with burglar alarms are more likely to become victims of burglary than are homeowners who do not.

The conclusion above depends on which of the following assumptions?

(A) The number of homes that were burglarized within the last five years is greater than the number of homes equipped with burglar alarms.

(B) A significant number of the homes that were burglarized within the last five years were burglarized more than once within this time period.

(C) Homes that have been burglarized within the last five years are more likely to be burglarized than are homes that have not been burglarized within the last five years.

(D) Homeowners who outfit their homes with burglar alarms are less likely to become victims of burglary than are homeowners who have not installed such alarms.

(E) Homeowners in Stockton who have outfitted their homes with burglar alarms are more likely to be victims of burglary than homeowners with burglar alarms living in other similar cities

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Re: cr(assumption) : homes with burglar alarms [#permalink]

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New post 23 Apr 2010, 12:06
IMO B

premise 1 :only 5 percent of homeowners in Stockton have outfitted their homes with burglar alarms
premise 2 :25 percent of all Stockton homes that have been burglarized within the last five years were outfitted with them

conclusion :, homeowners who outfit their homes with burglar alarms are more likely to become victims of burglary than are homeowners who do not

So to link the conclusion with the premises statement B does well

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Re: cr(assumption) : homes with burglar alarms [#permalink]

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New post 23 Apr 2010, 12:19
The question stem asks for an assumption.
For me B looks more like a Fact statement rather than assumption.
IMO C is the answer which states the assumption.
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Re: cr(assumption) : homes with burglar alarms [#permalink]

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New post 24 Apr 2010, 18:13
sushma0805 wrote:
A recent report determined that although only 5 percent of homeowners in Stockton have outfitted their homes with burglar alarms, 25 percent of all Stockton homes that have been burglarized within the last five years were outfitted with them. Clearly, homeowners who outfit their homes with burglar alarms are more likely to become victims of burglary than are homeowners who do not.

The conclusion above depends on which of the following assumptions?

(A) The number of homes that were burglarized within the last five years is greater than the number of homes equipped with burglar alarms.

(B) A significant number of the homes that were burglarized within the last five years were burglarized more than once within this time period.

(C) Homes that have been burglarized within the last five years are more likely to be burglarized than are homes that have not been burglarized within the last five years.

(D) Homeowners who outfit their homes with burglar alarms are less likely to become victims of burglary than are homeowners who have not installed such alarms.

(E) Homeowners in Stockton who have outfitted their homes with burglar alarms are more likely to be victims of burglary than homeowners with burglar alarms living in other similar cities



OA` : C

OE : Choice C states that homes that have been burglarized within the last five years (the specific situation cited) are more likely (in general) to be burglarized than are homes that have not been burglarized. This choice connects the specific statistic in the prompt with the general situation in the conclusion of the prompt, and is a necessary assumption. Choice C is correct.

src : knewton

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Re: cr(assumption) : homes with burglar alarms [#permalink]

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New post 26 Apr 2010, 01:05
@sushma0805,

IMO C.

BTW, change the tag from Weaken to Assumption, so that this question can be placed in correct category.
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Re: cr(assumption) : homes with burglar alarms   [#permalink] 26 Apr 2010, 01:05
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