The table shows the mid-year populations (in millions) of five countries in 2015 and the projected populations (in millions) for the year 2025. Country 2015 2025 Country A 7.8 7.3 Country B 33.3 36.7 Country C 1397.6 1436.2 Country D 68.7 73.5 Country E 321.4 345.5 (a) Find the exponential growth or decay model y = aeº or y = ae b for the population of each country by letting t = 15 correspond to 2015. Use the model to predict the population of each country in 2035. (Round your values of b to five decimal places. Round your values of a to one decimal place. Round your population predictions for 2035 to one decimal place.) Population in 2035 (in millions) Country Exponential Model A y = B y = y = D y = E y =

The table shows the mid-year populations (in millions) of five countries in 2015 and the projected populations (in millions) for the year 2025. Country 2015 2025 Country A 7.8 7.3 Country B 33.3 36.7 Country C 1397.6 1436.2 Country D 68.7 73.5 Country E 321.4 345.5 (a) Find the exponential growth or decay model y = aeº or y = ae b for the population of each country by letting t = 15 correspond to 2015. Use the model to predict the population of each country in 2035. (Round your values of b to five decimal places. Round your values of a to one decimal place. Round your population predictions for 2035 to one decimal place.) Population in 2035 (in millions) Country Exponential Model A y = B y = y = D y = E y =

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 56E: Printer Failure The lifetime of a printer costing 200 is exponentially distributed with mean of 2...

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Printer Failure The lifetime of a printer costing 200 is exponentially distributed with mean of 2 years. The manufacturer agrees to pay a full refund to a buyer if the printer fails during the first year following its purchase, and a one-half refund if it fails during the second year. If the manufacture sells 100 printers, how much should it expect to pay in refunds? Choose one of the following. Source: Society of Actuaries. a. 6321 b. 7358 c. 7869 d. 10256 e. 12642