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Joined: 20 Feb 2017
Posts: 2928
Given Kudos: 1257
GPA: 3.39
Two numbers x1 and x2 are chosen at random from 1 to 30 inclusive.
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13 Jul 2026, 09:21
13 Jul 2026, 09:21
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Expert Reply
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Question Stats:
99% (00:37) correct
0% (00:00) wrong based on 7 sessions
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Two numbers \(x_{1}\) and \(x_{2}\) are chosen at random from 1 to 30 inclusive.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The probability that \(x_{1}=1\) |
The probability that \(x_{2}=30.\) |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2928
Given Kudos: 1257
GPA: 3.39
Re: Two numbers x1 and x2 are chosen at random from 1 to 30 inclusive.
[#permalink]
15 Jul 2026, 19:42
15 Jul 2026, 19:42
Expert Reply
Explanation
Each number is chosen at random from 1 to 30, so each of the 30 possible values is equally likely.
Probability that \(x_{1} =1:\)
\(\frac{1}{30}\)
Probability that \(x_{2} =30:\)
\(\frac{1}{30}\)
Since both probabilities are the same
Answer: C
Each number is chosen at random from 1 to 30, so each of the 30 possible values is equally likely.
Probability that \(x_{1} =1:\)
\(\frac{1}{30}\)
Probability that \(x_{2} =30:\)
\(\frac{1}{30}\)
Since both probabilities are the same
Answer: C
gmatclubot
Re: Two numbers x1 and x2 are chosen at random from 1 to 30 inclusive. [#permalink]
15 Jul 2026, 19:42
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