A rechargeable flashlight is advertised to last up to 2 1/2 hours per charge and to recharge overnight. A test was conducted which measured the time a light lasted before needing a recharge. A random sample of 12 lights has a mean recharge time of 2.24 hours and a standard deviation of 1.05 hours. Assuming the population for recharge time is normally distributed, what is the 99% confidence

interval estimate for the population mean? ____________________ to ____________________
Fill in the blank(s) with correct word


1.30; 3.18

Business

You might also like to view...

Which of the following will improve the clarity of a document?

A) Rewriting hedge sentences B) Deleting unnecessary words and phrases C) Replacing long words and phrases D) Eliminating redundancies E) Rewriting "it is" or "there are" starters

Business

Bribery of foreign officials is prohibited by U.S. companies

Indicate whether the statement is true or false

Business

Which of the following best defines organizational behavior?

A) It involves the study of groups of people coming together for collective bargaining.
B) It involves the study of what people do in a company and how it affects the company's output.
C) It involves analyzing different people in an industry with independent profit-centered motives.
D) It involves developing exclusively the knowledge of managers and senior-level employees.
E) It is a field which is not influenced by factors in the external world.

Business

A complex element must have more than one simple element

Indicate whether the statement is true or false

Business