fhemmie521 fhemmie521
  • 08-03-2024
  • Mathematics
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A population data set with a bell-shaped distribution has mean and standard deviation σ. Find the approximate proportion of observations in the data set that lie between 4 and 8.
a) 0.3413
b) 0.4772
c) 0.6827
d) 0.9545

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