Suppose That the Distribution of Heart Rates for Medium-Sized Dogs

question 31

Multiple Choice

Suppose that the distribution of heart rates for medium-sized dogs is Normally distributed with mean 115 beats per minute and standard deviation 18 beats per minute.
Stacy takes her medium-sized dog, Scooter, to the veterinarian for a wellness check and learns that Scooter's heart rate is 126 beats per minute. Approximately what percentage of medium-sized dogs have a heart rate that is lower than Scooter's?

• A) -60%.
• B) 27.42%.
• C) 60%.
• D) 72.58%.
• E) 99.4%.

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Definitions:

Unscientific

Lacking adherence to the scientific method or principles, often based on beliefs not grounded in evidence or logic.

Unconscious Motives

Refers to hidden psychological forces that influence a person's thoughts, behaviors, and feelings, often without their awareness.

Cognitive Processes

Mental activities involved in the acquisition, processing, storage, and retrieval of information, including perception, memory, and problem-solving.

Behavioral Approaches

A theory in psychology focusing on observable behaviors and the ways in which the environment determines behavior.