(a) Two persons A and B throw a fair coin 4 times each. What is the probability
that they both get an equal number of heads? (the order does not matter)
(b) There are 5 breadrolls and 7 donuts in a bakery. How many ways are there to
choose 2 donuts and 2 breadrolls?
(c) Assume that the 12 bakery goods from the previous question are in a bag. 6
items are drawn at random. What is the probability that an equal number of
breadrolls and donuts get chosen
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