1. A random sample of 1,556 people in country A were asked to respond to this statement:Increased world trade can increase our per capita prosperity. Of these sample members, 38.4percent agreed with...

1. A random sample of 1,556 people in country A were asked to respond to this statement:Increased world trade can increase our per capita prosperity. Of these sample members, 38.4percent agreed with the statement. When the same statement was presented to a randomsample of 1,108 people in country B, 52.0 percent agreed. Test the hypothesis that a higherproportion of respondents in Country B agreed.2.A random sample of 802 supermarket shoppers determined that 375 super market shopperspreferred generic-brand items. Test at the 10% level that at least one half of all shopperspreferred generic brand items.