13. One ball is selected at random from a bag containing 12 balls of
which x are white.
a) W...
Mathematics, 09.05.2021 14:00 abbygriffin8575
13. One ball is selected at random from a bag containing 12 balls of
which x are white.
a) What is the probability of selecting a white ball?
When a further 6 white balls are added the probability of
selecting a white ball is doubled.
b) Find x.
Ok
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