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Discrete random variables (S1)

6.5

What the syllabus asks of you

  • The concept of a discrete random variable.
  • The probability function and the cumulative distribution function for a discrete random variable.
  • Mean and variance of a discrete random variable.
  • The discrete uniform distribution.

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Chapter 23: Discrete random variables

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Drill this topic

All 8 questions on Discrete random variables (S1), untimed — answer on paper, then mark yourself against the mark scheme.

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Make a worksheet

Choose the years and how many questions, then print it with the answers on separate pages.

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8 questions

These are structured questions, answered in working rather than by picking an option, so they are not listed here one by one. The drill above puts each in front of you with its mark scheme to check against.