Question

4. Sample of specimen A, B and C has following details:
Defective
Non defective
Total
A
5
35
40
B
8
42
50
с
9
21
60
Total
21
129
150
Test the proportion of defective item is same at level of significance 5%.

Answer 1

Answer:

yndgjfjfhfhfhfhfhfhfhfhj