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In a town there are on average 2.3 children in a family and a randomly chosen child has on average 1.6 siblings. Determine the variance of the number of children in a randomly chosen family.

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heyderlisenan

Answer:

0.69

Step-by-step explanation:

Variance is the bounce size of a random variable, that is, its mathematical expectation. Standard deviation is also measured by the unit of random price. Variance is represented by the square of this unit.

Please find the solution on the attached file.

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