Skip to content
    Mathematics A-Level

    constant probability

    What constant probability means in Mathematics A-Level, as defined for Pearson Edexcel.

    Definition of constant probability

    Check what you remember

    Read the wording for your board, then hide it and explain constant probability in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: Pearson Edexcel

    The condition that the probability of success p is identical for every trial.
    Pearson Edexcel · Statistical distributions (study guide)

    Topics that use constant probability

    Related terms

    Using constant probability in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Mathematics questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Mathematics A-Level terms