Find the margin of sampling error to the nearest percent.
p = 64%, n = 800

Use the distributive law to multiply. 3(4x + 5y + 6)

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Hi, can anyone show me how to do this problem? 100 points for this. in advance