Problem 141 of 7
Estimate population percentage in normal distribution for mean 1000 sd 100, below 700.
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apply technology/empirical rule and interpret.
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Apply technology or empirical rule and interpret ranges and thresholds.
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Solution
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1. Convert bounds to standard deviation distances or z-scores.
2. Apply empirical rule or normal CDF.
3. State percentage of population in range.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using uniform distribution reasoning.