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May 30, 2015

Homework Help: maths

Posted by ?????? on Sunday, November 25, 2012 at 1:33pm.

at a fairground, the table shows the prbability of winning an amount on a spinner. what is the minimum amount that can be charged to make profit from the game?

amount 5p 10p 20p 50p
prbability 0.5 0.25 0.15 0.1

can you show how you worked it out? thanks

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