AP Statistics Review #4

4. One hospital has 2000 live births during 2009, while a second hospital has 1000 birthsduring the same year.(a) Assuming there is a 50% chance for a live-born infant to be male, which hospital ismore likely to have less than 45% male births? Explain your answer.(b) Suppose the first hospital has 1030 male births, while the second has only 480. Is thedifference statistically significant? Show your work.