Which of the following would lead you to doubt that the sample came from an approximately normal population? A
n = 31

B
n = 150

C
n = 25

D
n = 47

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2