express the confidence interval (0.47,0.63) in the form p-hat + or - moe.

Question

Statistics

Answer 1

Theoretically, p-hat is the middle point of the lower and upper bounds:

p-hat = (0.47 + 0.63)/2 = 0.55.

Therefore, (0.47 , 0.63) = (0.55 - 0.08, 0.55+0.08).