Mathematics, 04.02.2021 23:50 lunbrooks

A box contains 4 blue beads, 2 yellow beads and 6 purple beads. Three beads are taken from the bag, at random, without replacement.
a) What is probability of picking, in order, a blue bead followed
by a yellow bead followed by a purple bead?
b) Work out the probability that all three beads will be the same colour.
c) What is the probability that the three beads will not be the same colour?

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