Question

Please help with this statistics problem http://prnt.sc/akwpqs

Answer 1

Please, show the work you did that led you to choose the 3rd answer.

Answer 2

Use the population proportion given (0.71) and assume that the sample proportion is the same (0.71).

Set \[0.08=2\sqrt{\frac{ p(1-p) }{ n }}.\] solve this equation for n (the sample size).

Answer 3

i just clicked on that one, but pretty sure I was wrong. Let me try what you are suggesting and see what i get

Answer 4

what do i put in for p

Answer 5

is it .71(1-.71/n

Answer 6

.71(1-.71) / n

Answer 7

i think i need a litte more help