Reading a z-score
For a normal distribution, roughly what fraction of values fall below a point two standard deviations above the mean? Answer as a percentage. (to 1 decimal)
Show hints (2)+
- About 95% lies within 2 SD, so each tail is roughly 2.5%.
- Subtract the upper tail from 100%.
Answer
Reveal answer →Final answer
97.7 (± 0.5)
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