Statıstıcs I Deneme Sınavı Sorusu #857565
- f (x) ? 0 for all x values
- The normal distribution function curve is symmetric around the mean, µ
- The probability density function f (x) does not the touch and intersect x axis
Which of the above is/are the properties that probability density function f (x) of normal distribution has?
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Only I |
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I and II |
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I and III |
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II and III |
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I, II and III |
Yanıt Açıklaması:
Probability density function f (x) of normal distribution has the following properties.
(i) f (x) ? 0 for all x values.
(ii) ? ? -? f (x)dx =1
(iii) The normal distribution function curve is symmetric around the mean, µ.
(iv) The probability density function f (x) does not the touch and intersect x axis.
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