The graph of the function y = x2 + 2 is shown. which equation will shift the graph of the function to the right 2 units? a) y = x2 b) y = x2 + 4 c) y = x2 - 4 d) y = (x - 2)2 + 2

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.