USE 3 DECIMAL A researcher believes that reading habit of newspaper is decreasing every year . In order to see the true population proportion of people who are reading newspaper s/he collect a...

USE 3 DECIMAL A researcher believes that reading habit of newspaper is decreasing every year . In order to see the true population proportion of people who are reading newspaper s/he collect a randomly selected people on the yearly basis. The following table gives the number of people who do not read newspaper with respect to the years. Construct a 90 % confidence interval for the true population proportion difference of people who are reading newspaper in 2005 and 2010.

2010 2005

1200 1000

Number of people who do not read newspaper 800 500