x to area x1 x2





mean 150 150





stdev 8 8





x 140 140 Area




z -1.2500 -1.2500 Difference n n*difference


area 0.1056 0.1056 0.0000 37 0


1-area 0.8944 0.8944














Inverse:area to x







area 0.15

z -1.0364
x 141.71



mean 150
stdev 8
x z normal
126 -3 0.0044
126.8 -2.9 0.0060
127.6 -2.8 0.0079
128.4 -2.7 0.0104
129.2 -2.6 0.0136
130 -2.5 0.0175
130.8 -2.4 0.0224
131.6 -2.3 0.0283
132.4 -2.2 0.0355
133.2 -2.1 0.0440
134 -2 0.0540





134.8 -1.9 0.0656





135.6 -1.8 0.0790





136.4 -1.7 0.0940





137.2 -1.6 0.1109





138 -1.5 0.1295





138.8 -1.4 0.1497





139.6 -1.3 0.1714





140.4 -1.2 0.1942





141.2 -1.1 0.2179





142 -1 0.2420





142.8 -0.9 0.2661





143.6 -0.8 0.2897





144.4 -0.7 0.3123





145.2 -0.6 0.3332





146 -0.5 0.3521





146.8 -0.4 0.3683





147.6 -0.3 0.3814





148.4 -0.2 0.3910





149.2 -0.1 0.3970





150 0 0.3989





150.8 0.1 0.3970





151.6 0.2 0.3910





152.4 0.3 0.3814





153.2 0.4 0.3683





154 0.5 0.3521





154.8 0.6 0.3332





155.6 0.7 0.3123





156.4 0.8 0.2897





157.2 0.9 0.2661





158 1 0.2420





158.8 1.1 0.2179





159.6 1.2 0.1942





160.4 1.3 0.1714





161.2 1.4 0.1497





162 1.5 0.1295





162.8 1.6 0.1109





163.6 1.7 0.0940





164.4 1.8 0.0790





165.2 1.9 0.0656





166 2 0.0540





166.8 2.1 0.0440





167.6 2.2 0.0355





168.4 2.3 0.0283





169.2 2.4 0.0224





170 2.5 0.0175





170.8 2.6 0.0136





171.6 2.7 0.0104





172.4 2.8 0.0079





173.2 2.9 0.0060





174 3 0.0044