0.8643 run the 100 meter dash in 15.22 seconds or faster.
We first compute the z-score for this time:

Using a z-table (http://www.z-table.com), we see the proportion of scores less than or equal to this is 0.8643.
Answer:
The second step involves getting rid of the number closest to the variable x
4.5 ... 9/2 and you will get the answer
The answer is 51 Meters. I subtracted the man from the building and it's 51 meters.
<span>bar graph are good for frequencies.</span>