Normal Distribution An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally dist

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Normal Distribution An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally dist

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Normal Distribution An Electrical Firm Manufactures Light Bulbs That Have A Life Before Burn Out That Is Normally Dist 1
Normal Distribution An Electrical Firm Manufactures Light Bulbs That Have A Life Before Burn Out That Is Normally Dist 1 (26.79 KiB) Viewed 79 times
Normal Distribution An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally distributed with mean equal to 800 hours and a standard deviation of 40 hours. Plot and calculate the probability that a bulb burns between 770 and 830 hours.
.00 .01 STANDARD NORMAL DISTRIBUTION: Table Values Represent AREA to the LEFT of the Z score. Z .02 .03 .04 .05 .06 .07 .08 .09 -3.9 .00005 00005 .00004 .00004 .00004 .00004 .00004 .00004 .00003 .00003 -3.8 .00007 .00007 .00007 .00006 .00006 .00006 .00006 -00005 .00005 .00005 -3.7 .00011 .00010 .00010 .00010 .00009 .00009 .00008 .00008 .00008 .00008 -3.6 .00016 00015 .00015 .00014 .00014 .00013 .00013 00012 .00012 .00011 -3.5 .00023 .00022 .00022 .00021 .00020 .00019 .00019 00018 00017 .00017 -3.4 .00034 .00032 .00031 .00030 .00029 .00028 .00027 .00026 00025 .00024 -3.3 .00048 .00047 ,00045 .00043 .00042 .00040 .00039 .00038 .00036 .00035 -3.2 .00069 .00066 .00064 .00062 .00060 .00058 .00056 .00054 .00052 .00050 -3.1 .00097 .00094 .00090 .00087 .00084 .00082 .00079 .00076 .00074 .00071 -3.0 .00135 .00131 .00126 .00122 .00118 .00114 .00111 00107 .00104 .00100 -2.9 .00187 .00181 .00175 .00169 .00164 .00159 .00154 .00149 .00144 .00139 -2.8 .00256 .00248 .00240 .00233 .00226 .00219 00212 .00205 .00199 .00193 -2.7 .00347 .00336 .00326 .00317 .00307 .002 .00289 _00280 00272 .00264 -2.6 .00466 .00453 00440 00427 ,00415 .00402 .00391 .00379 .00368 .00357 -2.5 .00621 .00604 .00587 .00570 .00554 .00539 00523 .00508 00494 00480 -2.4 .00820 .00798 .00776 .00755 .00734 .00714 200695 .00676 .00657 .00639 -2.3 .01072 01044 .01017 .00990 .00964 .00939 .00914 .00889 00866 .00842 -2.2 01390 .01355 ,01321 01287 .01255 01222 .01191 _01160 .01130 .01101 -2.1 .01786 .01743 .01700 .01659 .01618 .01578 .01539 .01500 .01463 .01426 -2.0 02275 .02222 02169 .02118 .02068 .02018 .01970 01923 01876 .01831 -1.9 .02872 .02807 .02743 .02680 .02619 .02559 .02500 _02442 .02385 02330 -1.8 .03593 ,03515 03438 03362 .03288 .03216 .03144 03074 03005 02938 -1.7 04457 04363 ,04272 .04182 .04093 ,04006 .03920 .03836 .03754 .03673 -1.6 .05480 05370 .05262 .05155 .05050 .04947 .04846 04746 .04648 04551 -1.5 .06681 .06552 06426 .06301 .06178 .06057 .05938 .05821 05705 .05592 -1.4 .08076 .07927 07780 .07636 .07493 07353 .07215 07078 06944 06811 -1.3 .09680 .09510 .09342 .09176 .09012 .08851 .08691 08534 08379 .08226 -1.2 .11507 .11314 ,11123 .10935 .10749 .10565 .10383 10204 .10027 .09853 -1.1 13567 .13350 .13136 .12924 .12714 .12507 12302 12100 11900 .11702 -1.0 15866 .15625 .15386 .15151 .14917 .14686 .14457 14231 14007 .13786 -0.9 .18406 .18141 .17879 .17619 .17361 .17106 .16853 16602 .16354 .16109 -0.8 21186 20897 20611 20327 .20045 .19766 .19489 .19215 .18943 .18673 -0.7 24196 .23885 23576 .23270 22965 22663 .22363 .22065 21770 21476 -0.6 27425 27093 26763 .26435 26109 25785 25463 -25143 24825 24510 -0.5 30854 30503 .30153 29806 29460 .29116 .28774 28434 28096 27760 -0.4 34458 34090 33724 33360 32997 32636 32276 31918 31561 31207 -0.3 38209 .37828 37448 37070 36693 36317 35942 35569 35197 34827 -0.2 42074 .41683 41294 40905 40517 40129 39743 39358 38974 38591 -0.1 46017 45620 .45224 .44828 44433 44038 43644 .43251 42858 42465 -0.0 50000 49601 49202 .48803 48405 48006 47608 47210 46812 46414
STANDARD NORMAL DISTRIBUTION: Table Values Represent AREA to the LEFT of the Z score. 7 .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 0.0 50000 50399 50798 51197 51595 51994 52392 52790 53188 53586 0.1 .53983 54380 .54776 55172 55567 .55962 56356 56749 -57142 57535 0.2 57926 -58317 58706 59095 .59483 59871 .60257 .60642 61026 61409 0.3 .61791 .62172 .62552 .62930 .63307 .63683 .64058 .64431 -64803 -65173 0.4 .65542 .65910 -66276 .66640 .67003 .67364 .67724 .68082 -68439 .68793 0.5 .69146 .69497 .69847 .70194 .70540 .70884 71226 .71566 -71904 .72240 0.6 -72575 .72907 73237 .73565 73891 .74215 .74537 .74857 -75175 .75490 0.7 .75804 .76115 .76424 .76730 .77035 .77337 .77637 77935 -78230 -78524 0.8 .78814 .79103 .79389 .79673 .79955 .80234 .80511 .80785 81057 .81327 0.9 .81594 .81859 .82121 .82381 .82639 .82894 .83147 .83398 .83646 .83891 1.0 .84134 .84375 84614 .84849 .85083 .85314 .85543 .85769 .85993 -86214 1.1 .86433 .86650 .86864 .87076 .87286 .87493 .87698 .87900 .88100 -88298 1.2 .88493 .88686 .88877 .89065 .89251 .89435 .89617 .89796 -89973 90147 1.3 90320 90490 90658 .90824 90988 .91149 .91309 91466 91621 91774 1.4 91924 .92073 .92220 .92364 92507 92647 92785 92922 93056 93189 1.5 93319 .93448 93574 .93699 93822 .93943 .94062 .94179 .94295 94408 1.6 94520 94630 .94738 .94845 94950 95053 95154 -95254 95352 .95449 1.7 95543 .95637 .95728 .95818 95907 .95994 .96080 96164 .96246 96327 1.8 96407 96485 .96562 96638 96712 .96784 96856 .96926 .96995 97062 1.9 97128 97193 .97257 .97320 .97381 .97441 .97500 97558 97615 97670 2.0 97725 97778 97831 97882 97932 .97982 .98030 .98077 .98124 98169 2.1 98214 98257 98300 98341 .98382 .98422 98461 98500 98537 98574 2.2 .98610 .98645 98679 .98713 .98745 98778 .98809 .98840 98870 98899 2.3 .98928 98956 98983 .99010 99036 99061 .99086 .99111 99134 -99158 2.4 .99180 99202 .99224 .99245 99266 99286 99305 .99324 99343 99361 2.5 99379 .99396 .99413 .99430 .99446 .99461 .99477 99492 99506 99520 2.6 99534 .99547 .99560 .99573 .99585 .99598 99609 .99621 99632 99643 2.7 99653 99664 .99674 .99683 99693 .99702 .99711 99720 .99728 99736 2.8 99744 99752 .99760 .99767 .99774 .99781 .99788 .99795 .99801 99807 2.9 99813 .99819 .99825 .99831 99836 .99841 99846 99851 99856 99861 3.0 99865 99869 99874 99878 99882 99886 .99889 .99893 99896 -99900 3.1 -99903 99906 .99910 99913 99916 .99918 99921 -99924 99926 99929 3.2 99931 -99934 .99936 .99938 .99940 .99942 .99944 99946 99948 -99950 3.3 .99952 .99953 .99955 99957 .99958 99960 99961 99962 99964 99965 3.4 99966 .99968 .99969 99970 .99971 99972 99973 99974 .99975 99976 3.5 99977 99978 99978 .99979 99980 .99981 99981 99982 .99983 99983 3.6 99984 99985 99985 .99986 99986 .99987 .99987 .99988 .99988 99989 3.7 99989 .99990 99990 99990 99991 99991 -99992 -99992 99992 99992 3.8 -99993 99993 .99993 99994 99994 .99994 .99994 99995 99995 99995 3.9 99995 .99995 .99996 .99996 .99996 .99996 99996 99996 99997 99997
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