8. I'm not sure how to work this

The number of orders received daily by an online vondor of used CDs is normaly dial buted with mein 220 and standard deviation 20. The company has to hire extra help or pay overtime on those days when the number of orders received ia 268 or hi What percentage of days will the company have to hire extra help or pay over fra? X Click the icon to vow the standard normal distribution table Areas for a Standard Normal Distribution Entries In the table represent area under the curve between 2 = 0 and a postive value of z. The company will have to his extra help or pay overtime on s of days decause of the symmetry of the curve, ares under the carve between 2 -0 ad a negative value of a would be found in a shrill manner. 2 0.00 0.01 0.02 0,10 0.04 0.05 0.06 0.07 0.00 0.09 070 3.6060 8.6040 4.5040 0.8120 0.0160 00195 00239 0.0279 00319 00359 0.1 30390 0.0438 0 0478 0 0517 00567 60595 0 0635 00575 00714 00753 02 0 0793 0.0832 0.0871 0/0910 00943 0.0987 6.1026 0.1064 0.1103 0.1141 0.3 0.1179 0.1217 0.1255 0 1743 01831 0 1368 0 1426 4 1419 8 1480 0 1517 0.4 0.1564 0. 1501 0 1628 0 1684 0 1703 0 1738 0 1772 6 1808 0 1844 0 1879 0.5 0.1915 0.1950 0.1935 02019 02054 4.2010 0 2123 02157 02190 02724 0.6 0 2267 0 2291 02324 02357 0 2389 42422 0 2454 02485 02517 02543 0.7 0 2500 0.2611 0.2642 0.2673 0.2704 0.2734 02764 02794 0.2123 0.2052 0 6 0 2581 0.2310 0.2939 02567 0.2955 0.3023 03051 0.3078 0.3106 0.3133 D.9 0.3159 0.316 0.3212 0 37-31 6 5264 0 3289 0 3315 0.3340 0.3965 0 3239 1.0 0.3413 0.3438 0.3461 03405 0.3508 0 3531 0 3554 0.3577 0 3599 03521 1.1 0 36-43 0 3565 0.3686 03708 0 3729 03749 83770 03730 03810 0.3130 1.2 0 36-49 0.3069 0.3038 0 3907 9 3425 0:3944 0,3912 0 3809 0.3997 8.4015