One number, \(k,\) is selected at random from a set of \(11\) consecutive even integers. What is the probability that

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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 \(k=-10\)

OA A
Source: — Data Sufficiency |