Rylan Pennington

Mathematics

24 June, 00:46

A box contains 1000 balls, of which 2 are black and the

rest white.

a) Which of the following is more likely to happen in 1000 draws with

replacement from the box?

Fewer than 2 black balls

Exactly 2 black balls

More than 2 black balls

b) If two series of 1000 draws are made at random from this box, what

approximately is the chance they produce the same number of black balls?

+4

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