Solved: For Exercises 47 to 50, use Table A to find the proportion of observations from

QUESTION:

For Exercises 47 to 50, use Table A to find the proportion of observations from the standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question.

Table A practice

(a)  z < 2.85                    (c)  z > 1.66

(b)  z > 2.85                    (d)  -1.66 < z < 2.85