I just don't understand the way this question is solved. Can you please do it in a different way? Thanks.

A shoe producer makes a variety of footwear, including indoor slippers, children's shoes, and flip-flops. To keep up with increasing

demand, it is considering three expansion plans: (1) a small factory with yearly costs of $150,000 that will increase the production of flip-

flops to 400,000; (2) a: mid-sized factory with yearly costs of $250,000 that will increase the production of flip-flops to 600,000; and (3)

a large factory with yearly costs of $350,000 that will increase the production of flip-flops to 900,000. The profit per flip-flop is projected

to be $0.75. The probability distribution of the increased demand for flip-flops is provided. Let x represent the amount of profit the

producer will make.

Complete parts a through c below.

Small Plan E(x)= (Type an integer or a decimal.)

Mid-Sized Plan E(x) = (Type an integer or a decimal.)

Large Plan E(x) = (Type an integer or a decimal.)

b. Calculate the standard deviation for each of the expansion plans.

Small Plan Sigma(x) = (Round to the nearest whole number as needed.)

Mid-Sized Plan Sigma(x) = (Round to the nearest whole number as needed.)

Large Plan Sigma(x) = (Round to the nearest whole number as needed.)

c. Which expansion plan would you suggest Provide the statistical reasoning behind your selection.

The (a.large, b.small, c.mid-size) plan has the largest expected profit. This plan has a much (a.higher, b.lower) standard deviation than the

other plans so this would be a good choice for those who can absorb (a.less, b.more) risk than the other plans.

SOLUTION

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