(a)[1]
Find the probability that both beads are red.
(b)[1]
Find the probability that both beads are white.
(c)[2]
Find the probability that exactly one bead is red.
Mathematics 4024 · O Level · Probability of combined events
Probability of combined events — practice question
There are two bags of beads. In the first bag, there are $7$ beads altogether, with $3$ red and $4$ white. In the second bag, there are $5$ beads altogether, made up of $2$ red and $3$ blue. A bead is chosen at random from each bag.