One number, k , is selected at random from a set of 11 consecutive even integers. What is the probability that
k = 10?
(1) The average (arithmetic mean) of the set is zero.
(2) The probability that k = 10 is the same as the probability that k = -10.
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AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
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BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
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CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
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DEach statement ALONE is sufficient to answer the question.
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EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question.
显示答案
正确答案: A