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Choose an adult woman at random. Here is the probability distribution for the number of children the woman chosen has had: Number of children 0

Choose an adult woman at random. Here is the probability distribution for the number of children the woman chosen has had:

Number of children

Probability

0.40

0.30

0.19

0.07

0.02

0.01

What is the expected value of the number of children a randomly chosen woman has had?

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