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If different animals are to be selected at random from a group of cats and dogs, and if is the probability that one cat and one dog will be selected, is ?

(1) At most animals are dogs.

(2) The probability that both animals selected will be cats is greater than .

  • 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: D

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