What is the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4) ? y−4=−1/5(x+8) y+4=−1/5(x−8) y−4=−9/11(x+8) y+4=−9/11(x−8)

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.