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A=\{2,3,x,y\}

B=\{x,y,5,6,7\}

Two integers will be randomly selected, one integer from set A and one integer from set B. What is the probability that the sum of the two integers will equal 7?

(1) x=3

(2) y=4

  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are not sufficient.
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正确答案: C

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