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There are many possible ranges, including [math](-\infty,15.051464)[/math] and [math](15.051464, 18.6844845)[/math] as well as [math]31.5\pm0.6270678[/math] (centered on the mean). Observe, in R:

  1. > pnorm(15.051464, 31.5, 10) - pnorm(-Inf, 31.5, 10)
  2. [1] 0.05
  3. > pnorm(18.6844845, 31.5, 10) - pnorm(15.051464, 31.5, 10)
  4. [1] 0.05
  5. > pnorm(32.1270678, 31.5, 10) - pnorm(30.8729322, 31.5, 10)
  6. [1] 0.05

In general, if you are g... Di più su questo

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