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

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Manager
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If x is to be selected at random from set T, what is the [#permalink] New post 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
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 [#permalink] New post 13 Aug 2007, 21:19
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.
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 [#permalink] New post 14 Aug 2007, 03:31
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
  [#permalink] 14 Aug 2007, 03:31
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