Homework Help: Probability

Posted by Nick on Monday, January 30, 2012 at 5:16pm.

4,915 people were surveyed about their recent purchases. 1,027 of those people surveyed bought a lawn mower within the last year, 918 bought a snow blower within the last year, and 3,387 didn’t buy either of the two.

a) How many people bought a lawn mower and a snow blower?

b) How many people bought at least one of the two?

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