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If an individual has High Blood Pressure, has a Healthy Diet and Exercises regularly, what is the probability the person has Heart Disease. Is it (a) 0.25, (b) 0.5215, (c) 0.586 2, (d) 0.7165, (e) None of these choices.

If an individual has High Blood Pressure, has a Healthy Diet and Exercises regularly, what is the probability the person has Heart Disease. Is it (a) 0.25, (b) 0.5215, (c) 0.586 2, (d) 0.7165, (e) None of these choices.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1. Consider the following Bayesian Network that we induced in class. At places, a variable is referred to by the first letter or the first letters of each word in the variable name or other obvious mnemonic (e,g., "D" for "Diet" or "HD" for "Heart Disease" or “Hb" for "Heartburn"). E- YES 07 D- Healthy 0.25 HD - YES Exercise Diet D- HEALTHY 0.2 HD- YES D- UNHEALTHY 0.85 E- YES, D- HEALTHY 0.25 Heart E- YES, D- UNHEALTHY E- NO, D- HEALTHY E- NO, D- UNHEALTHY Heartburn 0.45 Disease 0.55 CP- YES HD- YES HD - YES HD - YES 0.8 0.75 0.6 Blood Chest - NO Pressure BP - HIGH Pain HD - NO 04 HD - YES HD - NO - YES 0.85 02 HD- NO 0.1 HD- NO If an individual has High Blood Pressure, has a Healthy Diet and Exercises regularly, what is the probability the person has Heart Disease. Is it (a) 0.25, (b) 0.5215, (c) 0.586 2, (d) 0.7165, (e) None of these choices.
Transcribed Image Text:1. Consider the following Bayesian Network that we induced in class. At places, a variable is referred to by the first letter or the first letters of each word in the variable name or other obvious mnemonic (e,g., "D" for "Diet" or "HD" for "Heart Disease" or “Hb" for "Heartburn"). E- YES 07 D- Healthy 0.25 HD - YES Exercise Diet D- HEALTHY 0.2 HD- YES D- UNHEALTHY 0.85 E- YES, D- HEALTHY 0.25 Heart E- YES, D- UNHEALTHY E- NO, D- HEALTHY E- NO, D- UNHEALTHY Heartburn 0.45 Disease 0.55 CP- YES HD- YES HD - YES HD - YES 0.8 0.75 0.6 Blood Chest - NO Pressure BP - HIGH Pain HD - NO 04 HD - YES HD - NO - YES 0.85 02 HD- NO 0.1 HD- NO If an individual has High Blood Pressure, has a Healthy Diet and Exercises regularly, what is the probability the person has Heart Disease. Is it (a) 0.25, (b) 0.5215, (c) 0.586 2, (d) 0.7165, (e) None of these choices.
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