Contrary to popular belief, a research firm conducts a sample survey and discovers that 85% have answered yes; they are more afraid of bugs than they are of flying. If a sample questionnaire collecting these results had 820 respondents, what is the margin of error, rounded to the nearest thousandth?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

answer: 0.64

step-by-step explanation:

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: