(Answered) Value of cumulative distribution function

Statistics

Problem: The probability mass function p(x) of a discrete random variable X is: P(0)=0.10, P(1)=0.15, P(2)=0.45, P(3)=0.05, and P(4)=0.25.

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Question: What is the value of cumulative distribution function for x=2? Explain your answer and provide examples.

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