A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people
who said they preferred Candidate A was 70%. The margin of error for the
survey was 4%. Write a confidence interval for the percentage of the
population that supports Candidate A.

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

When the ball has traveled a distance of

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?