Tuesday
October 21, 2014

Homework Help: math 127

Posted by marylou on Tuesday, July 27, 2010 at 11:12am.

In 2008 ACT,Inc reported that 74% of 1500 randomly selected college freshman rerurned to college the next year. Estimate the national freshman to sophomore retention rate.
a) Verify below the two condition are met for constructing a confidence interval for the population proportion.
b) What is the value of t a/2or z a/2 for 99% confidence interval
c) What is value of the margin of errorfor your interval?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Stats Anyone? - The first-year retention rate is the percentage of entering ...
STATS HELP - Freshman-sophomore retention rate (FSRR) for a college is the ...
statistics - At a small college it is known from previous years that 35% of all ...
statistics - Conduct a chi square analysis to determine whether sex and year in ...
statistics - A survey was mailed to a total of 400 students; 100 were randomly ...
math - between 1998 and 2004, the number of college freshman who planned to get ...
Math - he freshman class at a major university contains 5160 students. This was ...
Math - The freshman class at a major university contains 5840 students. This was...
Math - There are 30 seniors, 15 juniors, 12 freshman, and 10 sophomores in the ...
essay - During my four years in high school, I have taken a lots of classes to ...

Search
Members