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LIMIT — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsLIMIT1 Mark
Question
Express $N (-20; 0.4)$ in modulus form.
✓

Answer

Comparing $N(-20; 0.4)$ with $N(a, δ)$
we get $a = -20$ and $δ = 0.4.$
Modulus form $: |x - a| < δ$
Putting $a = -20$ and $δ = 0.4$
$N(-20; 0.4) = |x + 20| < 0.4$

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