In the probability distribution to the right, the random variable X represents the number of marriages...

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In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15

math Statistics-And-Probability

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1 X plı) 0 2 0.262 0.584 0.20 3 0.029 4 0.004 5 0.ool - ECX) 2x pex) ECX) 0 X 0.262 + 1 X 0.584 + 2 X0.120 + 3 x 0.029+ 4 X 0 standard deviation Cor).- variance et j = 0.5454 =0.7385 F1-80.0 . Scres Scuro 6x = 0.7

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