Question

A is correct. Need help with B. I get the wrong answer when I follow the solution manual and all previous answers to this problem are incorrect.

Problem 10-1 Specifications for a part for a DVD player state that the part should weigh between 25.5 and 26.5 ounces. The process that produces the parts has a mean of 26.0 ounces and a standard deviation of .22 ounce. The distribution of output is normal. Use Table-A. a. What percentage of parts will not meet the weight specs? (Round your "z" value and final answer to 2 decimal places. Omit the "%" sign in your response.) Percentage of parts 2.32% b. Within what values will 99.74 percent of sample means of this process fall, if samples of n 12 are taken and the process is in control (random)? (Round your answers to 2 decimal places.) ounces, Upper value Lower value ounces Table A Areas under the normal curve, 0 to z 00 01 .03 04 .05 .06 .07 .08 .09 Z 0000 0279 0.0 .0040 0080 0120 0160 0199 0239 0319 ,0359 0.1 0398 0438 0478 0517 0557 0596 0636 0675 0714 0753 0.2 0793 .0832 0871 0910 0948 0987 1026 1064 1103 1141 0.3 .1179 .1217 1255 1293 1331 1368 1406 1443 1480 .1517 0.4 .1554 .1591 .1628 .1664 .1700 1736 1772 1808 1844 1879 2224 0,5 1915 1950 1985 2019 2054 2088 .2123 .2157 2190 0.6 2257 2291 2324 2357 2389 2422 2454 2486 2517 2549 0.7 2580 2611 2642 2673 2703 2734 2764 2794 2823 2852 0,8 2881 2910 2939 2967 2995 3023 3051 3078 3106 3133 0.9 3159 3186 3212 3238 3264 3289 3315 3340 3365 3389 1.0 3413 3438 3461 3485 3508 3531 3554 3577 3599 3621 1.1 3643 3665 3686 3708 3729 3749 3770 3790 3810 3830 1.2 3849 3869 3888 3907 3925 3944 3962 3980 3997 4015 13 4032 4049 4066 4082 4099 4115 4131 4147 4162 4177 1.4 4192 4207 4222 4236 4251 4265 4279 4292 4306 4319 1.5 4332 4345 4357 4370 4382 4394 4406 4418 4429 4441 1.6 4452 4463 4474 4484 4495 4505 4515 4525 4535 4545 1.7 4554 4564 4573 4582 4591 4599 4608 4616 4625 4633 1.8 4641 4649 4656 4664 4671 4678 4686 4693 4699 4706 1.9 4713 4719 4726 4732 4738 4744 4750 4756 4761 4767 2.0 4772 4778 4783 4788 4793 4798 4803 4808 4812 4817 2.1 4821 4826 4830 4834 4838 4842 4846 4850 4854 4857 2.2 4861 4864 4868 4871 4875 4878 4881 4884 4887 4890 4898 4909 4916 2.3 4893 4896 4901 4904 4906 4911 4913 2,4 4918 4920 4922 4925 4927 4929 4931 4932 4934 4936 2,5 4938 4940 4941 4943 4945 4946 4948 4949 4951 4952 4957 4962 4963 4964 2.6 4953 4955 4956 4959 4960 4961 2.7 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 28 4974 4975 4976 4977 4977 4978 4979 4979 4980 4981 2.9 4981 4982 4982 4983 4984 4984 4985 4985 4986 4986 3.0 4987 4987 4987 4988 4988 4989 4989 4989 4990 4990 02

Answer 1

Paga 9.9.74 P = rafudation uz26.0 mean dedde viah on ) o.22 Z X-u O. 22 12 PCz) O9974 -32723 3 X-26 -22 5-80$tX 26-19052 25.81 4 26.19 Lower Value 25-81 Qunce Uppen Valuea6.19 aunces