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NORMAL DISTRIBUTION — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsNORMAL DISTRIBUTION1 Mark
Question
When it is said that “Probability distribution is normal probability distribution”?
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Answer

If the curve of the probability density function of a random variable $X$ is bell shaped, then the probability distribution $X$ is called the normal distribution.

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