Other questions in this quiz

2. how do you differentiate f(x) and F(X)?

  • F(X) = ΣP(x=x) = Σf(x), hence it is cumulative.
  • f(x) is the probability
  • f(x) is a CDF

3. which of the following is NOT a continuous variable?

  • weight
  • liquid
  • tossing a die
  • time

4. CDF to PDF is just an integration step.

  • no, it is another type of distribution
  • No, CDF, which is cumulative, is already area under curve. Hence you should differentiate to get to PDF
  • yes. and you differentiate to get CDF back
  • no, there is no link between the both.

5. Is P(x=x) the same as f(x)?

  • yes
  • no

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