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# If x is to be selected at random from set T, what is the

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Manager
Joined: 11 Mar 2007
Posts: 154
Followers: 1

Kudos [?]: 15 [0], given: 0

If x is to be selected at random from set T, what is the [#permalink]  13 Aug 2007, 18:40
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If x is to be selected at random from set T, what is the probability that 1/4x-5<=0?

1) T is a set of 8 integers
2) T is contained in the set of integers from 1 to 25, inclusive.
Director
Joined: 12 Jul 2007
Posts: 864
Followers: 13

Kudos [?]: 224 [0], given: 0

I may not be understanding the question, but as far as I can tell the answer is E.

basically X has to be <= 20

1. could be any 8 integers, doesn't tell us anything.
2. doesn't this just say the integers all fall between 1 and 25? if so, then this doesn't help either

put them together and they still don't help.

so I vote E based on my understanding of the statements, but I could very easily be way off on what they're saying.
SVP
Joined: 28 Dec 2005
Posts: 1579
Followers: 2

Kudos [?]: 91 [0], given: 2

im with you .... i was leaning towards E as well.

X <=20, but without knowing how many of the 8 elements are between 1 and 20, we cant calculate a probability
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