The population aged 65 years old and older (in millions) from 2000 to 2050 is projected to be
Where is measured in decades, with corresponding to 2000. What will be the average population aged 65 years and older over the years from 2000 to 2020? (Hint: The average population is given by . Multiply the integrand by and then use the method of substitution.) Round your answer to one decimal place.
A) 180.7 million
B) 43.8 million
C) 57.5 million
D) 87.7 million
E) 33.1 million

Question

The population aged 65 years old and older (in millions) from 2000 to 2050 is projected to be ​   ​
Where  is measured in decades, with  corresponding to 2000. What will be the average population aged 65 years and older over the years from 2000 to 2020? (Hint: The average population is given by  . Multiply the integrand by   and then use the method of substitution.) Round your answer to one decimal place.
A) 180.7 million 
B) 43.8 million 
C) 57.5 million 
D) 87.7 million 
E) 33.1 million

Quizplus · Accepted Answer

The Answer of The population aged 65 years old and older (in millions) from 2000 to 2050 is projected to be ​   ​
Where  is measured in decades, with  corresponding to 2000. What will be the average population aged 65 years and older over the years from 2000 to 2020? (Hint: The average population is given by  . Multiply the integrand by   and then use the method of substitution.) Round your answer to one decimal place.
A) 180.7 million 
B) 43.8 million 
C) 57.5 million 
D) 87.7 million 
E) 33.1 million

The Population Aged 65 Years Old and Older (In Millions)