The data below shows the number of worker? employed in the various sections of a construction company in Lagos. Carpenters 24 Labourers 27 Plumbers 12 Plasterers 15 Painters 9 Messengers 3 Bricklayers 18 If a worker is retrenched, what is the probability that he is a plumber or plasterer.

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The data below shows the number of worker? employed in the various sections of a ...

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