The mean and the standard deviation of a random sample of n

Assignment Help Mathematics

Reference no: EM13471976

The mean and the standard deviation of a random sample of n measurements are equal to 33.4 and 3.7, respectively.

a. Find a 90% confidence interval for µ if n= 144

b. Find a 90% confidence interval for µ if n= 576

c. Find the widths of the confidence intervals found in parts a and b.

What is the effect on the width of a confidence interval of quadrupling the sample size while holding the confidence coefficient fixed?

Reference no: EM13471976

Questions Cloud

Yu have read about classical biological and psychological : you have read about classical biological and psychological explanations for criminal behavior. this assignment requires

Read the irac method of case study analysisselect one legal : read the irac method of case study analysis.select one legal case from a current event that has taken place within the

If you were to randomly sample the individual from : a study of the effect of college education on job satisfaction was conducted.nbsp a contingency table is presented

The police department has a new chief of police that has : the tidewater police department is a small rural department that consists of 22 police officers 4 detectives a

The mean and the standard deviation of a random sample of n : the mean and the standard deviation of a random sample of n measurements are equal to 33.4 and 3.7 respectively.a. find

What guidelines for developing an rfp might you use in your : write a 100- to 200-word short-answer response to the following class what guidelines for developing an rfp might you

Basic computations given that x is a normal variable with : 1 basic computations given that x is a normal variable with mean u 110 and standard deviation o 12 findpxle 120pxge

Your response must be at least 75 words in length you are : what balance has the supreme court struck on prisoners rights to free speech? use case law to explain.your response

Why must a technical writer be conversant with the : write a 100- to 200-word short-answer response to the following class why should a technical writer be conversant with

User Account

All Pages