Section A
Q1. Define hazard function. Obtain the survival function of the following hazard function:
(c) Four teachers A, B, C and D are capable of teaching any of the four different courses a, b, c and d. The course preparation time (in hours) taken by four teachers are given in the table below. Each teacher is assigned only one course. How are the courses assigned to teachers so as to minimize the total course preparation hours?
Courses
Teachers
a
b
c
d
A
7
15
14
12
B
20
9
19
13
C
18
19
21
16
D
9
20
18
14