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Mathematics, 28.07.2019 17:10 alexedwards307

There are 200 counters in a bag.
50 of them are taken out and have a dab of white paint placed on them.
these 50 marked counters are now put back in the bag which is given
a good shake to ensure even distribution of the marked counters.
80 counters are now taken out of the bag.
about how many of them would you expect to be marked with a
dab of white paint?

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Answers: 1

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There are 200 counters in a bag.
50 of them are taken out and have a dab of white paint placed...
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