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 ## 44 Show answer 2) What is the standard deviation of the sampling distribution of proportions? Type as: ##1## Check Show answer 3) What is the probability that 11 = 256 randomly selected children will have a proportion of nearsightedness of at least 9%? Type as ##1## K Show