How large a sample is necessary for the bound on the error

Reference no: EM131430890

Marketing and Consumer Behavior

The owner of a small tailoring shop keeps careful records of all alterations. Two common alterations to men's clothing are lengthening the inseam on pants and letting out a sports coat around the waist. A random sample of each type of alteration was obtained, and the summary statistics are given in the table below. Measurements are in inches.

Alteration	Sample size	Sample mean	Assumed
Pants inseam	33	0.74	0.22
Sports coat waist	42	1.05	0.37

a. Find a 95% confidence interval for the mean alteration of the inseams on men's pants.

b. How large a sample is necessary for the bound on the error of estimation to be 0.05 for the confidence interval in part (a)?

c. Find a 90% confidence interval for the mean alteration of the waists of sports coats.

d. How large a sample is necessary for the bound on the error of estimation to be 0.07 for the confidence interval in part (c)?

Reference no: EM131430890

Questions Cloud

Process of semi-conservative replication : One strand of a single DNA helix is labeled red while the other strand of the same DNA helix is labeled blue. This double helix DNA is replicated through the process of semi-conservative replication.

What was the economic impact of subprime crisis : What was the economic impact of Subprime crisis? What was the plan of Alan Greenspan,Chairman,Federal Reserve?Why he proposed it? Do you think the plan led to the Housing Crisis.

What is an anthropological concept : The goal of this exercise is to observe a 'cultural scene' as an anthropologist would (i.e. based on everything you have learned in the course to-date). The student will analyze their observations in terms of themes from the subfield of cultural a..

Order of the linnaean classification : Be able to recite the order of the Linnaean classification from Kingdom to Species (KPCOFGS).

How large a sample is necessary for the bound on the error : Find a 95% confidence interval for the mean alteration of the inseams on men's pants.- How large a sample is necessary for the bound on the error of estimation to be 0.05 for the confidence interval in part (a)?

Many genes only have a few possible alleles : 1. Many genes only have a few possible alleles. For example, humans only have a few eye colors and only four blood types. How can DNA tests definitively identify individuals when many men have brown eyes or type A blood?

What is happening to real wages : what would happen to unemployment as a result?

Describe the three major components of political science : List and describe the three major components of political science. How does religion and, particularly, religious fundamentalism affect conflict in the world? According to the chapter 4 notes, what are of the challenges we face as the human species?

What is the takt time and idle time : What is the takt time? What are the minimum number of workstations needed? What is the idle time? What is the percent idle time?

User Account

All Pages