Confidence interval for the average amount of time employees

Reference no: EM132188604

A manager is interested in the amount of time employees spend each day playing video games at work. The manager takes a random sample of 18 employees who showed a mean time of 55 minutes per day with a standard deviation of 5 minutes. Assuming that these times follow a normal distribution, compute a 90% confidence interval for the average amount of time employees spend playing video games each day at work.

Select one:

a. [52.39, 57.61]

b. [53.34, 56.66]

c. [52.95, 57.05]

d. [52.46, 57.54]

e. [52.82, 57.18]

Reference no: EM132188604

Questions Cloud

Why is communication and pop culture as a whole important : Why is communication and pop culture as a whole important?

Expectation of sex and gender contribute to conflict : How Do expectation of sex and gender contribute to conflict? Identify and discuss ways that men and women tend to differ in their approach to conflict

Positive or negative effect culture played in organization : Locate a journal article that addresses a positive or negative effect culture played in an organization's communications.

Law school admission test : The Law School Admission Test (LSAT) is standardized test used in the application and admission process for those interested in attending law school

Confidence interval for the average amount of time employees : A manager is interested in the amount of time employees spend each day playing video games at work. The manager takes a random sample

What is the upper confidence limit : With 80% confidence, for sample proportion 0.54 and sample size 30, what is the upper confidence limit with 2 decimal places?

Test the same hypothesis using p-value : Use the traditional method and test to see if coaching improves their test scores more than not coaching using a = 0.05.

Test scores over two separate tests : To test their theory, they get two samples of students, one that was coached and one that was not.

Determine annual insurance premium : They calculated that would cost $120,000 to rebuild that home. Use expected values to determine annual insurance premium.

User Account

All Pages