A Medical Researcher Is Interested in Assessing the Probability of Some

question 90

Multiple Choice

A medical researcher is interested in assessing the probability of some symptoms of coronary heart disease being present at a given age. For this reason he uses the following data collected on 100 individuals. The response variable is CHD which is 1 if coronary heart disease is present and 0 otherwise. The following linear probability model and logit model have been estimated: Linear probability: = - 0.53796 + 0.02181Age
Logit: = Using the logitmodel, find the age of a person for which the estimated chances of having coronary heart disease are 50%?

• A) 47.8 years old
• B) 56.3 years old
• C) 45.5 years old
• D) 47.6 years old

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Definitions:

Bony Features

Characteristics or notable aspects of bones, including their structure, function, and the landmarks they present.

Scapula

The flat, triangular bone located on the upper back, commonly known as the shoulder blade, which connects the humerus with the clavicle.

Clavicle

A lengthy bone acting as a support link between the scapula and the sternum, commonly referred to as the collarbone.

Deltoid Muscle

A large, triangular muscle covering the shoulder joint and used for lifting and rotating the arm.