Standard deviation of given probability distribution

Reference no: EM13103567

The random variable X is the distribution of siblings of a student selected at random from a particular secondary school. Its probability distribution is given in the table.

x 0 1 2 3 4 5
P(X=x) 5/16 1/4 5/24 1/8 1/16 1/24

Reference no: EM13103567

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