Question 3 (Mandatory) (10 points} The proportion of Americans who are satisfied with the way things are going in their lives is 82%. Suppose a random sample of 100 Americans is asked "Are you satisfied with the way things are going in your life?" What is the mean of the sampling distribution? Question 4 (Mandatory) [10 points} The proportion of Americans who are satised with the wayI things are going in their lives is 82%. Suppose a random sample of1t] Americans is asked "Are you satised with the way things are going in your life?" 1What is the standard deviation of the sampling d'stn'bution'? Question 5 (Mandatory) [10 points} According to a study done by the Gallup organization, the proportion of Americans who are satisfied with the way things are going in their lives is .82. what is the probability the proportion who are satised with the way things are going in their life exceeds .85