Question: Find an integer, k, such that the probability is at least 0.99 that you will find at least k invoices that overcharge the customer. (Hint:
Find an integer, k, such that the probability is at least 0.99 that you will find at least k invoices that overcharge the customer. (Hint: Use trial and error with the BINOMDIST function to find k.)
Suppose that when Sleaze overcharges Medicare, the distribution of the amount overcharged (expressed as a percentage of the correct billing amount) is normally distributed with mean 15% and standard deviation 4%.
What percentage of overbilled invoices are at least 10% more than the legal billing amount?
What percentage of all invoices are at least 10% more than the legal billing amount?
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