The probability that indicates the subject will be rated as very easy, P(A) = 0.08, easy, P(B) = 0.29, average, P(C) = 0.34, difficult, P(D) = 0.17 or very difficult, P(E) = 0.12. %3D %3D Find the probabilities that the subjects will be rated based on the following categories: a) Average, easy, or very easy b) Average, difficult or very difficult c) Neither very difficult nor very easy d) Difficult or very easy

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
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The probability that indicates the subject will be rated as very easy, P(A) = 0.08, easy, P(B) =
0.29, average, P(C) = 0.34, difficult, P(D) = 0.17 or very difficult, P(E) = 0.12.
Find the probabilities that the subjects will be rated based on the following categories:
a)
Average, easy, or very easy
b)
Average, difficult or very difficult
c)
Neither very difficult nor very easy
d)
Difficult or very easy
Transcribed Image Text:The probability that indicates the subject will be rated as very easy, P(A) = 0.08, easy, P(B) = 0.29, average, P(C) = 0.34, difficult, P(D) = 0.17 or very difficult, P(E) = 0.12. Find the probabilities that the subjects will be rated based on the following categories: a) Average, easy, or very easy b) Average, difficult or very difficult c) Neither very difficult nor very easy d) Difficult or very easy
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