Hi , can anyone help me to distinguish between probability distribution function , probability density function and cumulative distribution function . Many thanks in advance to that random stranger .

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anonymous · Answer

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anonymous · Answer

probability density function is for continous random variable.it denotes the probabilityin the interval a to b for a continous function fx while probability distribution function denotes the probabilityof the both discrete n continous function but if we say probability of a rv upto a then it take the sum or integral of probabilities from -infinity upto a