en una poblacion tienen un sistema de alerta consiste en que la persona que esta en la parte alta, al ver una señal de alarma, le avisa a 4 personas y esas 4 personas cada una le avisa a cuatro personas, si la alarma se activa cada 1 minuto, cuantas personas se enterar alrededor de 5 minutos?

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