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Enghraifft - ExampleDosrennir yr hapnewidyn di-dor X gyda ffwythiant dwysedd tebygolrwydd f, lle maeThe continuous random variable X is distributed with probability density function f(x) wheref(x) = 6x(1-x)ar gyfer 0 = x = 1Darganfyddwch gymedr ac amrywiant X.Calculate the mean and vari
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