Project #15493 - Statistics 5

A practice of 28 dentists upgraded their computer system and suspects that in the process they lost information on recalls for many of their patients.  They drew a simple random sample of 200 patient records and discovered that 22 of those had follow up calls that were not included in the computer system. Use the =Normdist function to determine the following:

a. the probability that the true proportion of missed follow up calls is less that 10 percent among all records.

b. The probability that the true proportion of missed follow up calls is greater thatn 20 percent among all records.

 

Please use an excel spreadsheet and explain as much as you can. Thanks!

Subject Mathematics
Due By (Pacific Time) 10/28/2013 09:00 am
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