Find the probability that a value randomly selected from this population will have a value greater than 345.
b.	Find the probability that a value randomly selected from this population will have a value less than 285.
c.	Find the probability that a value randomly selected from this population will have a value between 285 and 345.

 

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Standard Normal Distribution Table of the Area between 0 and z Z .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 0.0 .0000 .0040 .0080 .0120 .0160 .0199 0239 0.1 .0398 .0438 .0478 0.2 .0793 .0832 .0871 0.3 .1179 .1217 .1255 .1293 .1368 .1406 .1443 0.4 .1554 .1591 .1628 .1664 0.5 .1915 .1950 .1985 .2019 .1736 .1772 .1808 .2088 2123 .0517 .0557 .0596 .0636 .0910 .0948 .0987 .1026 .1064 .1103 .1141 .1331 .1480 .1517 .1700 .2054 .0279 .0319 .0675 .0714 .0753 .0359 .1844 .1879 .2157 .2190 .2224 0.6 .2257 .2291 2324 .2357 .2389 2422 2454 2486 .2517 2549 0.7 .2580 .2611 0.8 .2881 .2910 .2642 .2673 .2939 .2704 .2734 2764 .2794 2823 .2852 .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 1.3 .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 2.3 .4893 4896 .4898 4901 .4904 4881 .4906 4909 4884 .4887 4890 4911 .4913 .4916 2.4 4918 .4920 .4922 4925 .4927 4929 4931 4932 4934 .4936 2.5 4938 .4940 .4941 4943 .4945 4946 4948 4949 4951 4952 Standard Normal Distribution Table of the Area between 0 and z Z .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 0.0 .0000 .0040 .0080 .0120 .0160 .0199 0239 0.1 .0398 .0438 .0478 0.2 .0793 .0832 .0871 0.3 .1179 .1217 .1255 .1293 .1368 .1406 .1443 0.4 .1554 .1591 .1628 .1664 0.5 .1915 .1950 .1985 .2019 .1736 .1772 .1808 .2088 2123 .0517 .0557 .0596 .0636 .0910 .0948 .0987 .1026 .1064 .1103 .1141 .1331 .1480 .1517 .1700 .2054 .0279 .0319 .0675 .0714 .0753 .0359 .1844 .1879 .2157 .2190 .2224 0.6 .2257 .2291 2324 .2357 .2389 2422 2454 2486 .2517 2549 0.7 .2580 .2611 0.8 .2881 .2910 .2642 .2673 .2939 .2704 .2734 2764 .2794 2823 .2852 .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 1.3 .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 2.3 .4893 4896 .4898 4901 .4904 4881 .4906 4909 4884 .4887 4890 4911 .4913 .4916 2.4 4918 .4920 .4922 4925 .4927 4929 4931 4932 4934 .4936 2.5 4938 .4940 .4941 4943 .4945 4946 4948 4949 4951 4952