Use Table A to find the proportion of observations (±0.0001)(±0.0001) from a standard Normal distribution that falls in each of the following regions.
(a) z≤−2.14:z≤−2.14:
(b) z≥−2.14:z≥−2.14:
(c) z>1.37:z>1.37:
(d) −2.14