Wednesday
November 26, 2014

Homework Help: statistics

Posted by jessica knowes on Monday, October 19, 2009 at 10:13pm.

The Democrat and Chronicle reported that 25% of the flights arriving at the San Diego airport during the first five months of 2001 were late (Democrat and Chronicle, July 23, 2001). Assume the population proportion is p = .25.

1. Calculate () with a sample size of 1,200 flights (to 4 decimals).


2. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 1,200 is selected (to 4 decimals)?


3. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 600 is selected (to 4 decimals)?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math HELP!!!!!! - Suppose 10% of the flights arriving at an airport arrive early...
government - the major u.s political parties are the A)republican , reform, and ...
us hist - Clement L. Vallandigham believed there were two rebellions in progress...
Statistics - Find probability of getting outcome of heads and a five when a coin...
stats - in a battleground state 60 percent of all voters are republican. ...
math - Suppose 10% of the flights arriving at an airport arrive early, .
To Amanda - I deleted same lengthy assignment that you've posted three times in ...
statistics - Please, give the formula and steps to do this problem. Thank you ...
business statistics - The average length of a flight by regional airlines in the...
business statistics - The average length of a flight by regional airlines in the...

Search
Members