Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Z-score problem (percentile related)
by aric
Help Me !
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2013-05-04 06:10:21
by Bob
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need some help plz
by aric
Help Me !
5
2013-05-03 19:18:57
by Bob
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