Round all the prob answers to 4 decimals. And Z-score to the appropriate decimal. (for each prob question you will have Z-score(s) and the prob) . If your decimal ends in 0=> answer .635 . For the Z-score: I don't need the 0 at the end or beginning. If you have 2 Zscores just write them like this in your answer blank -2.33 and 2.22 or 1.55 and 3.45. Put smallest number 1st. . if you have a list of numbers write # and # and #... If the answer ask for a percent dont write the % with your answer.The length of the human pregnancy is not fixed. It is known that it varies according to a distribution which is roughly normal, with a mean of 266 days, and a standard deviation of 16 days. fill in the curve (tic marks) going left to right Approximately what percent of pregnancy are between 234 and 298 days Approximately what percent of pregnancy are between 250 and 314 days Approximately what percent of pregnancy are below 218