Statıstıcs I Deneme Sınavı Sorusu #803374
Which of the followings is not true about cumulative distribution function?
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Cumulative distribution function defined as F(x)=P(X≤x)= ∫x f(t)dt,−∞<x<∞. |
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The cumulative distribution function probability supplies values by utilizing probability density function. |
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Cumulative distribution function f(x) of a continuous random variable X fulfils the following property; f(x)≥0 for all x. |
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Cumulative distribution function f(x) of a continuous random variable X fulfils the following property; if x1 ≤ x2 then F (x1) ≤ F (x2). |
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Cumulative distribution function f(x) of a continuous random variable X fulfils the following property; 0 ≤ F (x) ≤ 1. |
Yanıt Açıklaması:
Not cumulative distribution function but probability density function fulfils the property of f(x)≥0 for all x.
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