maths

In a primary school 70% of the boys and 55% of girls can ride a bicycle if a boy and a girl are chosen at random what is the probability that both of them can ride a bicycle. That neither of them can ride a bicycle?

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  1. p(both ride) = 0.70 * 0.55

    p(neither ride) = (1 - 0.70) * (1 - 0.55)

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