Tonda is testing a new lawnmower model that should be very fuel-efficient. They are still testing, but specifications from the engineers claim that the mower should runfrom between 6 hours to 11 hours on a single gallon of gas. What would be an appropriatedistribution for modeling this and what would be the probability that the mower will last longerthan 9.0 hours

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0