Sunday
April 20, 2014

Homework Help: Statistics

Posted by Eric on Sunday, June 2, 2013 at 2:22pm.

In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 people. in addition there is a weight limit of 2500 lbs. assume that the average weight of students, faculty, and staff on campus is 150 lbs, that the standard deviation is 27 lbs and that the distribution of weights of individuals on campus is approsimately normal. if a random sample of 16 persons from the campus is to be taken.
a) what is the expected value of the distribution of the sample mean?
b)what si the standard deviation of the sampling distribution of the sample mean weight?
c)what average weights for a s ample of 16 people will result in the total weight exceeding the weight limit of 2500?
d)what is the chance that a random sample of 16 people will excedd the limit.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Stats - In the library on a university campus, there is a sign in the elevator ...
Statistics - In the library on a university campus, there is a sign in the ...
statistics - 1. The on-campus housing costs for a semester at a state university...
COM 220 Axia college of University of Phoenix - How are articles from the ...
statistics - Washington University banned smoking on the Hilltop campus starting...
statistics - if 20% of the people in a community use the library in one year, ...
statistics - . Do students at various universities differ in how sociable they ...
statistics - Do students at various universities differ in how sociable they are...
statistics - Do students at various universities differ in how sociable they are...
Psychology/Statistics - Do students at various universities differ in how ...

Search
Members