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A billing company that collects bills for doctor's offices is concerned that the percentage of bills being paid by Medicare has risen.Historically, that percentage has
A billing company that collects bills for doctor's offices is concerned that the percentage of bills being paid by Medicare has risen.Historically, that percentage has been 31%.An examination of 8368 recent bills reveals that 32% of these bills are being paid by Medicare. Test if this is evidence of a change in the percent of bills being paid by Medicare at the 1% level.Use the p-value approach.
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