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You will need to find cdf = pdf = f(x) for some f(x).
What conditions must f(x) satisfy if it to to be a pdf? What conditions must it satisfy if it is to be a cdf? Why is the condition $F(x)\neq 1$ important?
For a given random variable, how are the pdf and cdf related to each other?
PCDF
Age 16 to 18
Challenge Level 
You will need to find cdf = pdf = f(x) for some f(x).
What conditions must f(x) satisfy if it to to be a pdf? What conditions must it satisfy if it is to be a cdf? Why is the condition $F(x)\neq 1$ important?
For a given random variable, how are the pdf and cdf related to each other?
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