A retired couple wishes to invest $750,000, diversifying the investment in three areas: a high-risk stock that has an expected annual rate of return (or interest) of 12%, a low-risk stock that has an expected annual return of 8%, and government-issued bonds that pay annual interest of 4% and involve no risk. To protect the value of the investment, the couple wishes to place at least twice as much in the low-risk stock as in the high-risk stock and use the remainder to buy bonds. How should the money be invested to maximize the expected annual return?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A retired couple wishes to invest $750,000, diversifying the investment in three areas: a high-risk stock that has an expected annual rate of return (or interest) of 12%, a low-risk stock that has an expected annual return of 8%, and government-issued bonds that pay annual interest of 4% and involve no risk. To protect the value of the investment, the couple wishes to place at least twice as much in the low-risk stock as in the high-risk stock and use the remainder to buy bonds. How should the money be invested to maximize the expected annual return?
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