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標準正規分布表
正規分布は、グラフと横軸で囲まれた面積で確率を表す。
グラフ全体の面積は 1 であり、グラフの半分の面積は 0.5 である。
表の見方
例えば ( 0 ≦ z ≦ 0.54 ) の確率は、表の縦 0.5 と横 0.04 の交差する部分 0.20540151 となる。
( z ≧ 0.54 ) を求めたければ、(グラフ半分の面積) - ( 0 ≦ z ≦ 0.54 ) 、
0.5 - 0.20540151 = 0.29459849 と求められる。
| | 0.00 | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 |
| 0.0 | 0.00000000 | 0.00398938 | 0.00797835 | 0.01196653 | 0.01595350 | 0.01993887 | 0.02392225 | 0.02790324 | 0.03188144 | 0.03585646 |
| 0.1 | 0.03982790 | 0.04379536 | 0.04775847 | 0.05171682 | 0.05567003 | 0.05961771 | 0.06355947 | 0.06749493 | 0.07142371 | 0.07534542 |
| 0.2 | 0.07925969 | 0.08316613 | 0.08706439 | 0.09095407 | 0.09483482 | 0.09870627 | 0.10256806 | 0.10641981 | 0.11026119 | 0.11409182 |
| 0.3 | 0.11791136 | 0.12171946 | 0.12551577 | 0.12929996 | 0.13307167 | 0.13683059 | 0.14057637 | 0.14430870 | 0.14802724 | 0.15173168 |
| 0.4 | 0.15542170 | 0.15909699 | 0.16275724 | 0.16640215 | 0.17003142 | 0.17364476 | 0.17724187 | 0.18082248 | 0.18438630 | 0.18793305 |
| 0.5 | 0.19146247 | 0.19497428 | 0.19846823 | 0.20194406 | 0.20540151 | 0.20884035 | 0.21226032 | 0.21566119 | 0.21904274 | 0.22240472 |
| 0.6 | 0.22574694 | 0.22906915 | 0.23237117 | 0.23565277 | 0.23891377 | 0.24215396 | 0.24537315 | 0.24857118 | 0.25174784 | 0.25490298 |
| 0.7 | 0.25803642 | 0.26114801 | 0.26423758 | 0.26730498 | 0.27035008 | 0.27337272 | 0.27637278 | 0.27935012 | 0.28230463 | 0.28523618 |
| 0.8 | 0.28814467 | 0.29102997 | 0.29389201 | 0.29673067 | 0.29954586 | 0.30233751 | 0.30510553 | 0.30784984 | 0.31057039 | 0.31326709 |
| 0.9 | 0.31593991 | 0.31858878 | 0.32121365 | 0.32381448 | 0.32639124 | 0.32894389 | 0.33147240 | 0.33397676 | 0.33645694 | 0.33891294 |
| 1.0 | 0.34134474 | 0.34375235 | 0.34613576 | 0.34849498 | 0.35083003 | 0.35314092 | 0.35542767 | 0.35769031 | 0.35992888 | 0.36214339 |
| 1.1 | 0.36433390 | 0.36650044 | 0.36864307 | 0.37076184 | 0.37285680 | 0.37492801 | 0.37697554 | 0.37899946 | 0.38099983 | 0.38297674 |
| 1.2 | 0.38493027 | 0.38686049 | 0.38876750 | 0.39065138 | 0.39251224 | 0.39435016 | 0.39616525 | 0.39795762 | 0.39972737 | 0.40147461 |
| 1.3 | 0.40319945 | 0.40490202 | 0.40658243 | 0.40824080 | 0.40987727 | 0.41149195 | 0.41308498 | 0.41465649 | 0.41620662 | 0.41773551 |
| 1.4 | 0.41924329 | 0.42073011 | 0.42219611 | 0.42364145 | 0.42506626 | 0.42647070 | 0.42785493 | 0.42921909 | 0.43056334 | 0.43188785 |
| 1.5 | 0.43319277 | 0.43447826 | 0.43574449 | 0.43699162 | 0.43821981 | 0.43942923 | 0.44062005 | 0.44179244 | 0.44294656 | 0.44408260 |
| 1.6 | 0.44520071 | 0.44630108 | 0.44738387 | 0.44844926 | 0.44949743 | 0.45052855 | 0.45154279 | 0.45254034 | 0.45352137 | 0.45448605 |
| 1.7 | 0.45543457 | 0.45636710 | 0.45728382 | 0.45818490 | 0.45907053 | 0.45994089 | 0.46079614 | 0.46163648 | 0.46246207 | 0.46327310 |
| 1.8 | 0.46406973 | 0.46485216 | 0.46562056 | 0.46637509 | 0.46711594 | 0.46784329 | 0.46855730 | 0.46925816 | 0.46994603 | 0.47062109 |
| 1.9 | 0.47128351 | 0.47193346 | 0.47257112 | 0.47319665 | 0.47381022 | 0.47441201 | 0.47500218 | 0.47558089 | 0.47614831 | 0.47670460 |
| 2.0 | 0.47724994 | 0.47778448 | 0.47830838 | 0.47882180 | 0.47932491 | 0.47981785 | 0.48030080 | 0.48077389 | 0.48123730 | 0.48169116 |
| 2.1 | 0.48213564 | 0.48257088 | 0.48299704 | 0.48341425 | 0.48382268 | 0.48422245 | 0.48461372 | 0.48499663 | 0.48537132 | 0.48573793 |
| 2.2 | 0.48609660 | 0.48644747 | 0.48679066 | 0.48712632 | 0.48745458 | 0.48777557 | 0.48808941 | 0.48839624 | 0.48869619 | 0.48898937 |
| 2.3 | 0.48927592 | 0.48955595 | 0.48982959 | 0.49009695 | 0.49035815 | 0.49061331 | 0.49086255 | 0.49110597 | 0.49134369 | 0.49157582 |
| 2.4 | 0.49180247 | 0.49202375 | 0.49223975 | 0.49245059 | 0.49265637 | 0.49285719 | 0.49305314 | 0.49324434 | 0.49343087 | 0.49361283 |
| 2.5 | 0.49379032 | 0.49396343 | 0.49413224 | 0.49429685 | 0.49445735 | 0.49461383 | 0.49476637 | 0.49491505 | 0.49505995 | 0.49520117 |
| 2.6 | 0.49533878 | 0.49547285 | 0.49560347 | 0.49573072 | 0.49585466 | 0.49597537 | 0.49609292 | 0.49620739 | 0.49631885 | 0.49642735 |
| 2.7 | 0.49653298 | 0.49663579 | 0.49673585 | 0.49683323 | 0.49692799 | 0.49702018 | 0.49710988 | 0.49719713 | 0.49728200 | 0.49736454 |
| 2.8 | 0.49744481 | 0.49752286 | 0.49759876 | 0.49767254 | 0.49774426 | 0.49781397 | 0.49788173 | 0.49794758 | 0.49801156 | 0.49807372 |
| 2.9 | 0.49813412 | 0.49819279 | 0.49824978 | 0.49830512 | 0.49835887 | 0.49841106 | 0.49846174 | 0.49851093 | 0.49855869 | 0.49860504 |
| 3.0 | 0.49865003 | 0.49869369 | 0.49873606 | 0.49877716 | 0.49881704 | 0.49885572 | 0.49889325 | 0.49892964 | 0.49896493 | 0.49899915 |
| 3.1 | 0.49903233 | 0.49906450 | 0.49909568 | 0.49912590 | 0.49915519 | 0.49918358 | 0.49921109 | 0.49923774 | 0.49926356 | 0.49928857 |
| 3.2 | 0.49931280 | 0.49933626 | 0.49935898 | 0.49938099 | 0.49940229 | 0.49942291 | 0.49944288 | 0.49946220 | 0.49948091 | 0.49949900 |
| 3.3 | 0.49951652 | 0.49953346 | 0.49954986 | 0.49956571 | 0.49958105 | 0.49959589 | 0.49961023 | 0.49962411 | 0.49963752 | 0.49965049 |
| 3.4 | 0.49966302 | 0.49967514 | 0.49968684 | 0.49969816 | 0.49970909 | 0.49971966 | 0.49972987 | 0.49973972 | 0.49974925 | 0.49975845 |
| 3.5 | 0.49976733 | 0.49977590 | 0.49978418 | 0.49979218 | 0.49979990 | 0.49980734 | 0.49981453 | 0.49982147 | 0.49982816 | 0.49983462 |
| 3.6 | 0.49984085 | 0.49984687 | 0.49985266 | 0.49985825 | 0.49986365 | 0.49986885 | 0.49987386 | 0.49987869 | 0.49988335 | 0.49988784 |
| 3.7 | 0.49989217 | 0.49989634 | 0.49990036 | 0.49990423 | 0.49990796 | 0.49991156 | 0.49991502 | 0.49991835 | 0.49992156 | 0.49992465 |
| 3.8 | 0.49992763 | 0.49993049 | 0.49993325 | 0.49993591 | 0.49993846 | 0.49994092 | 0.49994329 | 0.49994556 | 0.49994775 | 0.49994986 |
| 3.9 | 0.49995188 | 0.49995383 | 0.49995571 | 0.49995751 | 0.49995924 | 0.49996091 | 0.49996251 | 0.49996405 | 0.49996553 | 0.49996695 |
| 4.0 | 0.49996831 | 0.49996963 | 0.49997089 | 0.49997210 | 0.49997326 | 0.49997438 | 0.49997545 | 0.49997648 | 0.49997747 | 0.49997842 |
| | 0.00 | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 |
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