An investigator polls a representative sample of common cold sufferers, asking them to estimate the number of hours of physical discomfort caused by their most recent cold. Their estimates approximate a normal curve with a mean of 91 hours and a standard deviation of 23 hours. Show your z-score and p-value calculations.   (1) Inverse Normal Distribution: What is the estimated number of hours for the shortest-suffering 20 percent? (1) Inverse Normal Distribution: A medical researcher wishes

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  • An investigator polls a representative sample of common cold sufferers, asking them to estimate the number of hours of physical discomfort caused by their most recent cold. Their estimates approximate a normal curve with a mean of 91 hours and a standard deviation of 23 hours. Show your z-score and p-value calculations.
  •  
  • (1) Inverse Normal Distribution: What is the estimated number of hours for the shortest-suffering 20 percent?




  • (1) Inverse Normal Distribution: A medical researcher wishes to concentrate on the 10 percent who suffered the most. To be included in this group, a patient would have suffered how many hours?
  •  
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