Probability
posted by Nick .
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 didnâ€™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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