Question

Write properties of normal probability curve.

Answer 1

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Properties of a Normal Distribution

➡️The normal curve is symmetrical about the mean μ;

➡️The mean is at the middle and divides the area into halves;

➡️The total area under the curve is equal to 1;

➡️It is completely determined by its mean and standard deviation σ (or variance σ2)

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Answer 2

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▪️The normal curve is symmetrical.

▪️ The normal curve is unimodal.

▪️ Mean, median and mode coincide.

▪️ The maximum ordinate occurs at the centre.

▪️ The normal curve is asymptotic to the X-axis.

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