2. The probability of an outcome that lies within 99.7% of the mean is a good Indicator that it lies in which standard deviation? 0
Standard deviations are not reliable, so the probability cannot be determined.
There is a probability that the outcome is within 2 standard deviations of the mean.
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There is a probability that the outcome is within 1 standard deviation of the mean.
There is a probability that the outcome is within 3 standard deviations of the mean.