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  • Perplex
    IB Math AIHL
    /
    Distributions & Random Variables
    /

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    Distributions & Random Variables

    Foundations

    Key exercises

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    Exam-Style Problems

    IB: 4

    7 problems

    IB: 5

    25 problems

    IB: 6

    30 problems

    IB: 7

    4 problems

    Max

    1 problem

    All Concepts

    Thumbnail for Discrete random variables

    Introduction and properties of random variables, probability distributions, expected value and variance, linear transformations of r.v.'s

    Discrete random variables
    Thumbnail for Binomial Distribution

    Concept of the binomial distribution, binomial PDF and CDF, expectation and variance of binomial distribution

    Binomial Distribution
    Thumbnail for Normal Distribution

    Introduction and definition of the normal distribution, standard deviations, normal and inverse normal calculations, z-values, normal standardization

    Normal Distribution
    Thumbnail for Poisson Distribution

    The discrete Poisson Distribution for modeling the number of occurrences over a certain interval

    Poisson Distribution
    Thumbnail for Sampling, combinations and CLT

    Understanding how the sums of random variables behave, and how sums of large samples of any random variable is roughly normally distributed.

    Sampling, combinations and CLT