Question 1187523
mean is 170
standard deviation is 30.


percent above 200 is equal to 15.86552596.


highest cholesterol level of the bottom 14% is equal to 137.5904198.


i used the ti-84 plus calculator to get these results.


an online calculator that you can use to get similar results can be found at <a href = "https://davidmlane.com/hyperstat/z_table.html" target = "_blank">https://davidmlane.com/hyperstat/z_table.html</a>


here are the results from using this calculator.


percent above 200 (they use ratio rather than percent.
ratio or proportion = percent divided by 100.


<img src = "http://theo.x10hosting.com/2021/112801.jpg" >


highest value of bottom 14%.


<img src = "http://theo.x10hosting.com/2021/112802.jpg" >