SOLUTION: blood pressure readings have a mean of 121 and a standard deviation of 15. Find the percentage of people with blood pressure readings above 136

Algebra ->  Probability-and-statistics -> SOLUTION: blood pressure readings have a mean of 121 and a standard deviation of 15. Find the percentage of people with blood pressure readings above 136      Log On


   



Question 522208: blood pressure readings have a mean of 121 and a standard deviation of 15. Find the percentage of people with blood pressure readings above 136
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
blood pressure readings have a mean of 121 and a standard deviation of 15. Find the percentage of people with blood pressure readings above 136
-------------------
z(136) = (136-121)/15 = 25/15 = 5/3
-----------
P(x > 136) = P(z > 5/3) = 0.0478
===================================
Cheers,
Stan H.
============