Xenphia Xenphia

10-10-2022
Mathematics

Answered

There are 10 counters in a bag, 7 are green and
the rest of white.
Erin takes out a counter at random and records
its colour and replaces it.
He then takes out another counter, at random
and record its colour.
a) Complete a probability tree diagram in your
books
b) Find the probability that both counters are
different colours
c) Find the probability that both counters are the
same colour

Answer :

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