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3.47 A population of unknown shape has a mean of 3,000 and a standard deviation of 200. Find the minimum proportion of observations in the
3.47
A population of unknown shape has a mean of 3,000 and a standard deviation of 200.
- Find the minimum proportion of observations in the population that are in the range 2,600 to 3,400.
- Determine the maximum proportion of the observations that are above 3,600.
- What statement could you make concerning the proportion of observations that are smaller than 2,400?
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