Problem 92 of 7
Find data value from percentile using normal technology 99th percentile, mean 1000 sd 50.
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use inverse normal output.
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Use inverse normal output for upper/lower tail.
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Solution
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1. Convert percentile or tail statement to left-tail area.
2. Use inverse normal with mean and standard deviation.
3. Interpret cutoff value in original units.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using 0.10 for top 10 percent cutoff instead of 0.90.