The length from the center of a wind turbine to the tip of one of its blades measures 32 meters. What is the approximate distance the tip of the blade will travel in one revolution of the wind turbine 50.24 m , 50.24 m 200.96 m , 200.96 m 100.48 m , 100.48 m 301.44 m

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