Q1) Random sample of 16 pharmacy customers illustrated the waiting times below (in minutes).
21 22 22 17 21 17 23 20
20 24 9 22 16 21 22 21
Determine a 90 percent confidence interval for μ, suppose that sample is from a normal population.
Q2) Let the following transportation Problem
|
|
1
|
2
|
supply
|
|
A
|
5
|
6
|
100
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|
B
|
4
|
2
|
200
|
|
C
|
3
|
6
|
150
|
|
D
|
9
|
7
|
50
|
|
|
250
|
250
|
|
Write complete linear programming model (All three parts) to find out the number of items to be transported from models A, B, C, and D to nodes 1 and 2 at minimum cost. You don't have to solve problem.