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If your expected value is 110 and the standard deviationis 12, which of the following is true?
there is approximately a 99 percent chance ofcompleting this activity between 86 and 134 days
there is approximately a 68 percent chance ofcompleting this activity between 98 and 122 days
there is approximately a 95 percent chance ofcompleting this activity between 98 and 122 days
there is approximately a 75 percent chance ofcompleting this activity between 86 and 134 days

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If your expected value is 110 and the standard deviationis 12, which of the following is true?
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