Project #13615 - Biostatistics

 

If the average systolic blood pressure of normal adult males is approximately normally distributed with a mean of 121 mmHg and a standard deviation of 11.3 mmHg, find the probability that a sample of size 16 will yield a mean:

 

 

 

            Greater than 125 mmHg

 

 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

 

 

 

            Between 117 mmHg and 127 mmHg

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

It is estimated that an average of 53% of college students graduate in 5 years or less.  If 500 students on a large campus are selected at random, what is the probability that between 50% and 60% of them will graduate in 5 years or less?

Subject Mathematics
Due By (Pacific Time) 10/03/2013 12:00 pm
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