Module questions help

Statistics
Tutor: None Selected Time limit: 1 Day

1.)459 randomly selected light bulbs were tested in a laboratory, 291 lasted more than 500 hours.  Find a point estimate of the true proportion of all light bulbs that last more than 500 hours.

2.)Find the critical value for zα/2 that corresponds to a degree of confidence of 98%.

3.)Find the critical value for tα/2  corresponding to n = 12 and 95% confidence level.

Jan 18th, 2016

Thank you for the opportunity to help you with your question!

Answer123.docx 

These are answer of these questions...

 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jan 18th, 2016

Are you studying on the go? Check out our FREE app and post questions on the fly!
Download on the
App Store
...
Jan 18th, 2016
...
Jan 18th, 2016
Dec 10th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer