lesson 40 homework study of different in tow populationproportions
Sam claims that the proportion of all males who have been lockedout of their houses is less than the proportion of females who havebeen locked out of their houses in the last three years. Sam foundthat 135 out of 300 randomly selected males had locked themselvesout of their houses within the last three years. Also, he foundthat 220 out of 400 randomly selected females had locked themselvesout of their houses in the last three years.
Test Sam's claim at the 1% significancelevel.