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