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Thanks20I just open up the standard normal distribution page Use the standard normal table to find the z-score that corresponds to the cumulative area 0.6808.

Thanks20I just open up the standard normal distribution page

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Use the standard normal table to find the z-score that corresponds to the cumulative area 0.6808. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table, Click to view page 2 of the standard normal table. z= (Type an integer or decimal rounded to three decimal places as needed.) Standard Normal Table (Page 1) Standard Normal Table (Page 2) - X andard Normal Distribution andard Normal Distribution Critical Values Level of Confidence c Critical Values 0.80 1.28 Area 0.90 1.645 Level of Confidence c 0.95 1.96 0.80 Area 1.28 0.99 2.575 0.90 1.645 0.95 1.96 0.99 2.575 Z .09 .08 07 .06 .05 .04 .03 02 .01 .00 -3.4 .0002 0003 0003 0003 0003 0003 0003 0003 0003 0003 - 3.3 0003 0004 0004 0004 .0004 1000 0004 0005 0005 SOOO Z 00 .01 .02 .03 04 .05 .06 07 08 .09 -32 0005 0006 0006 0006 0006 0006 0007 .0007 0.0 .5000 5040 .5080 5120 5160 5199 5239 5279 5319 5359 -3.1 .0007 .0007 0008 0008 0008 .0008 0009 0009 0009 0010 0.1 5398 5438 5478 5517 5557 5596 5636 5675 5714 5753 - 3.0 .0010 .0010 0011 0011 001 1 0012 0012 0013 .0013 .0013 0.2 5793 5832 5871 5910 5948 5987 6026 6064 6103 6141 - 2.9 0014 0014 0015 0015 0016 0016 0017 0018 0018 0019 0.3 .6179 6217 6255 .6293 633 6368 6406 6443 6480 6517 - 2.8 .0019 .0020 0021 0021 0022 0023 0023 0024 0025 0026 0.4 6554 6591 6628 6664 6700 6736 6772 .6808 6844 6879 - 2.7 .0026 0027 0028 .0029 0030 0031 0032 0033 .0034 0035 0.5 6915 6950 6985 .7019 7054 7088 7123 7157 7190 7224 0.6 7257 7291 7324 7357 7389 7422 7454 7486 7517 7549 MacBook Pro

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