Is use beats per minu
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Doctors use the term maximum heart rate (MHR) when referring to the quantity found by starting with
220 beats per minute and subtracting 1 beat per minute for each year of a person's age. Doctors
recommend exercising 3 or 4 times each week for at least 20 minutes with your heart rate increased from
its resting heart rate (RHR) to its training heart rate (THR), where
THR = RHR + 0.5(MHR – RHR)
%3D
Which of the following is closest to the THR of a 52-year-old person whose RHR is 48 beats per minute?
(A) 50
(B) 108
(C) 168
(D) 134
(E) 168
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