Friday
July 25, 2014

Homework Help: Math

Posted by Theresa on Wednesday, January 9, 2013 at 8:10am.

The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. a) Compute the standard time for the bag-packing task. b) How many observations are necessary for 99% confidence, within 5% accuracy? The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. a) Compute the standard time for the bag-packing task. b) How many observations are necessary for 99% confidence, within 5% accuracy? Observations (seconds) Performance
Element 1 2 3 4 5 Rating (%)
Grasp and place bag 8 9 8 11 7 110
Fill bag 36 41 39 35 112a 85
Seal bag 15 17 13 20 18 105
Place bag on conveyor 8 6 9 30b 35b 90

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-...
Accounting - The Dubuque Cement Company packs 80-pound bags of concrete mix. ...
math - Trail mix is sold in 1-pound bags. Mary will buy some trail mix and re-...
Math - Trail mix is sold in 1 pound bags Mary will buy some trail Mix and ...
algebra - elmer burns works for a ready-mix concrete cmpany. elmer receives an ...
Algebra 1 - You are making up your own mix of concrete to patch a set of stairs...
Math - A contractor requires a cement mix that is 70% sand and 30% cement. He ...
math - . If of a 60-pound bag of ready-mix concrete is Portland cement, how ...
Math - If ⅜ of a 60-pound bag of ready-mix concrete is Portland cement, ...
Algebra - -your school club decides to hold a fundraiser by selling trail mix, ...

Search
Members