Question
6.5-2 A practice of 18 dentists upgraded their electronic medical records (EMR) system and suspects that in the process they lost information on recalls for
6.5-2 A practice of 18 dentists upgraded their electronic medical records (EMR) system and suspects that in the process they lost information on recalls for many of their parents. 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 new EMR system. Use the =NORMDIST() function to determine the following
a. The probability that the true proportion of missed follow-ups calls is less than 10 percent among all records
b. The probability that the true proportion of missed follow up calls is greater than 20 percent among all records
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