Carlos tiene que llevar un cargamento de sacos de cemento a un almacén. Su
camioneta puede llevar hasta 1,300 libras
de carga en cada viaje.
Si cada saco de cemento pesa 60 libras,
¿cuál es la MAYOR cantidad de sacos que
puede llevar Carlos en su primer viaje?
A 20
B 21
C 21.6
D 21.67

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.