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Questions › DSE › DSE 2014 › Q19
1 mark, −0.333333333333333Statistics › Random variables and standard distributions › Random variables, PMFs, PDFs and CDFsEasyabout 1 min

DSE 2014 Question 19: Random variables and standard distributions

XXX is a random variable. Which of the following statements is always true?

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X is a random variable. Which of the following statements is always true? (A) The expectation of X exists (B) The distribution function of X is strictly increasing (C) X has a median (D) None of the above

Random variables and standard distributions has come up 173 times in 7 exams since 2005.

What this question tests

This question is on Random variables, PMFs, PDFs and CDFs, part of Random variables and standard distributions in Statistics.

Describing a random variable by its mass, density or distribution function.

TestStop has 33 past-paper questions on this subtopic.

Practise Random variables and standard distributionsMore on Random variables, PMFs, PDFs and CDFs

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Question from the DSE 2014 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.