Question

A manufacturing company consists of two departments producing identified products. It is

suspected that the hourly outputs in the two departments are different. Two random samples

of production hours are respectively selected and the following data are obtained:

Sample Size

Department-1 Department-2

64

49

Sample Mean 100

90

The variance of the hourly outputs for the two departments are known to be 12 = 256 and

22 = 196 respectively. Find a 96% confidence limits for the true difference. ​

Answer 1

Answer:

sorry I didn't wrote this answer

Answer 2

Answer:

thanks for free points