College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.5 - Page 506: 44

Answer

about $ 88.6\%$

Work Step by Step

Calculating P for x=$80$ (year-olds): $ P(80)=\displaystyle \frac{90} {1+271 e^{-0.122(80)}} \approx$88.6140180423 The probability that an 80-year-old has some coronary heart disease is about $ 88.6\%$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.