SOLUTION: The logistic growth function P(x) = 90/1+271e^-0.122x models the percentage, P(x), of Americans who are x years old with some coronary heard disease. QUESTION: What percentage

Question 86804: The logistic growth function
P(x) = 90/1+271e^-0.122x
models the percentage, P(x), of Americans who are x years old with some coronary heard disease.
QUESTION: What percentage of 80-year-olds have some coronary heart disease?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The logistic growth function
P(x) = 90/1+271e^-0.122x
models the percentage, P(x), of Americans who are x years old with some coronary heard disease.
QUESTION: What percentage of 80-year-olds have some coronary heart disease?
---------------
P(80) = 90/(1+271e^(-0.122*80)
P(80) = 90/1.015640663
P(80) = 88.61%
===============
Cheers,
Stan H.
RELATED QUESTIONS
The logistic growth function P(x)= 90/ 1+271e^(-.122x) models the percentage P(x), of... (answered by stanbon)

i need help with this problem: This is the model showing the percentage of Americans with (answered by Fombitz,stanbon)

The logistic growth function f(x)=95,000/1+4749.0e^-1.3t models the number of people who... (answered by greenestamps)

Please help with this log word problem? The function P(x) = 90-25log base 2 raised to... (answered by stanbon)

The number of Americans (in thousands) who are expected to be over 100 years old in year... (answered by KMST)

Hi, Help much appreciated. I am trying to rearrange the logistic function p/1-p = x to (answered by ankor@dixie-net.com)

Use the logistic growth model f(x) = 190/1 + 8e^−2x Find the carrying capacity. (answered by greenestamps)

Use the logistic growth model f(x) = 160/ 1 + 8e^(−2x). Find the carrying... (answered by greenestamps)

Assume that the average annual salary for a worker in the United States is $31,000 and... (answered by jello3211)