a bus coins and 50 balls and 150 notes on checking the box it was found a half of the ball and half of the notes are printed if one item is chosen at random find the probability that is rusted
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Total number of balls remain after being printed=1/2 of 50=25
Total number of notes remain after being printed=1/2 of 150 =7
favourable outcomes are 75+25=100
Possible outcomes=50+150=200
so probability is 100/200=1/2
Total number of notes remain after being printed=1/2 of 150 =7
favourable outcomes are 75+25=100
Possible outcomes=50+150=200
so probability is 100/200=1/2
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