Posted by **Frances** on Thursday, March 29, 2012 at 9:22pm.

I don't know what to do..please help.The doctor estimates that more than 220 out of the 500 patients in his database take vitamin each year. A random sample of 60 patients shows that 27 o them take vitamin each day.

how to use a proportion to predict the total number of patients who take vitamin each day?

- math -
**drwls**, Friday, March 30, 2012 at 6:56am
27/60 = x/500

x = 225

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