document.write( "Question 375925: Assume that blood pressure readings are normally distributed with mean=120 and standard deviation =8. A blood pressure reading of 145 or more may require medical attention. What percentage of people have a blood pressure reading greater than 145? \n" ); document.write( "
Algebra.Com's Answer #267375 by robertb(5830)\"\" \"About 
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. Hence \"P%28X+%3E+145%29+=+P%28Z+%3E+3.125%29\". Now you can find the percentage (which is just the probability) directly from the usual standard normal table. \n" ); document.write( "
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