Question

22) A machine produced 26 defective articles among 250. Another
machine produced 4 defective articles among 50. Test whether there
is a significance difference between population proportions, at 5%
level of significance. ​

Answer 1

Step-by-step explanation:

case1= 26*250=6500

6500*5/100=325

case 2= 50*4=200

200*5/100=10

difference between 2 cases.

325-10=314

Answer 2

Answer:

Step-by-step explanation: