Binomial distribution,Normal Distribution Topics, math homework help

This should Solved in Microsoft ExcelBinomial distribution,Normal Distribution Topics1. Natway, a national distribution company of homevacuum cleaners, recommends that its salespersonsmake only two calls per day, one in the morning andone in the afternoon. Twenty-five percent of the time asales call will result in a sale, and the profit from eachsale is $125. Develop the probability distribution forsales during a five-day week. What is the mean and variance of this distribution?What is the expected weekly profit for asalesperson?2.Sales for Fast Kat, a 16-foot catamaran sailboat, haveaveraged 250 boats per month over the last five years,with a standard deviation of 25 boats. Assuming thatthe demand is about the same as past years and followsa normal curve. What is the probability sales will be less than 280boats? What is the probability that sales will be more than265 boats during the next month? What is theprobability that sales will be less than 250 boats nextmonth?