1. A research company stated that 20% of missed school days are due to asthma. If a group of 400 school children are selected at random, what is the probability that at most 60 will miss school because of asthma?
2. Suppose that in one small town the average income is $34,200 with a stansard deviation of $2200. What percent of housholds between $29,800 and $38,600?