Nearsightedness affects 8% of children in a certain country. The eyesight of 256 randomly selected children are checked for nearsightedness. i) What is the mean of the sampling distribution of proportions? Type D as ##1## 2) What is the standard deviation of the sampling distribution of U proportions? Type as: ##W 3) What is the probability that n = 256 randomly selected children will U have a proportion of nearsightedness of at least 9%? Type as ##1## Feedmdt