1. In a sample of 400 textile workers, 184 expressed extreme dissatisfaction regarding a prospective plan...

 

Transcribed Image Text:

1. In a sample of 400 textile workers, 184 expressed extreme dissatisfaction regarding a prospective plan to modify working conditions. The manager is interested in the proportion of all workers dissatisfied with the plan. Give a %90 confidence interval for the true proportion of all workers dissatisfied with the plan. 2. A cafeteria owner is trying to determine the amount of soft drinks consumed by the customers during the lunch rush on Fridays. He has collected data on the consumed amount (in liters) during a few random day. Using the data below, find a point estimate of the mean for the amount of soft drinks consumed during lunch time on Fridays. Assume that the amounts are normally distributed. 24 27 28 30 34 28 27 24 26. Also give a %95 confidence interval for the average amount of soft drinks consumed by the customers. 1. In a sample of 400 textile workers, 184 expressed extreme dissatisfaction regarding a prospective plan to modify working conditions. The manager is interested in the proportion of all workers dissatisfied with the plan. Give a %90 confidence interval for the true proportion of all workers dissatisfied with the plan. 2. A cafeteria owner is trying to determine the amount of soft drinks consumed by the customers during the lunch rush on Fridays. He has collected data on the consumed amount (in liters) during a few random day. Using the data below, find a point estimate of the mean for the amount of soft drinks consumed during lunch time on Fridays. Assume that the amounts are normally distributed. 24 27 28 30 34 28 27 24 26. Also give a %95 confidence interval for the average amount of soft drinks consumed by the customers.

Answer rating: 100% (QA)

1 Dissatisfied workers in percentage 184400 100 046 Satisfied worker... View the full answer