- +1-530-264-8006
- info@tutorsglobe.com

Average of the means

If a population has a standard deviation of 18, what is the minimum number of samples that need to be averaged in order to be 95% confident that the average of the means is within 2 of the true mean?

A. 612

B. 18

C. 312

D. 36

Expected delivery within 24 Hoursrs

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment2015 © Tutors Globe. All rights reserved.

## Q : Probability of getting less

A mail order company has an 8% success rate. If it mails advertisements to 600 people, find the probability of getting less than 40 sales?