You have a batting average of .250. This means that the probability of your getting a hit is 25%. If you have 520 attempts this season, how many hits can you expect to get?

Standard deviation of 19,29,21,22,23

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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