Question: Population b. How many immigrants do you think would arrive (or depart) in 10 years? Will the population grow? Suppose immigration and emigration change the

Population b. How many immigrants do you think would arrive (or depart) in 10 years? Will the population grow?
Suppose immigration and emigration change the sizes of four populations with the following probabilities.

Write the result as a random variable and find the expectation.

Population a Population b Population c Population d ber ability ber ability ber ability ber ability -1 0.40 1 0.4 0.4 0 0.2 00.2 1 0.3 2 0.1 0 0.2 0 0.3 10.30.2 1 0.3 2 0.1 20.4 100 0.1

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