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As variáveis aleatórias

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    Cuthbert K.
    ZM
    Cuthbert K.

    random variable indeed,,,,,,,,,,,,,,,,,,

    Samkeliso R S.
    SZ
    Samkeliso R S.

    a randon variable is a variable whose value is a numerical outcome of some random

    Henock A.
    ET
    Henock A.

    A random variable is a variable whose value is a numerical outcome of some random experiment.

    Juliet N.
    NG
    Juliet N.

    discrete random variable a type of random variable (also observed numerical values)

    Rachel N.
    IE
    Rachel N.

    A random variable is a variable whose value is a numerical outcome of some random experiment.

    Liberté L.
    GD
    Liberté L.

    color is not changing

    Jahidul I.
    BD
    Jahidul I.

    A random variable is a variable whose value is a numerical outcome of some random experiment. An experiment is random if the outcome is uncertain. For example, an experiment could be the random selection of a male from a group of students (probability Height > 180), or the selection of a mussel from a catch made in order to measure the lead content, or the toss of a coin, or the rolling of a die in a board game or the selection of a card from a deck of cards. For example, with a group of male students three different boys might have heights of 195 cm, 184 cm and 178cm. A random variable has an unknown value before the experiment and an observed numerical value after the experiment. Random variables are denoted by a capital letter, such as X, Y and Z. The observed values are denoted by the corresponding lower case letters, x, y, and z.

    Jahidul I.
    BD
    Jahidul I.

    what is variable ?

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