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3. A man has four cars for hire. The average demand on a weekday is for two cars. (a) What distribution do you think would

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3. A man has four cars for hire. The average demand on a weekday is for two cars. (a) What distribution do you think would be most suitable for modelling the number cars demanded during a weekday? (b) What is the probability that demand exceeds supply on a given day? (c) Assuming 312 weekdays per year, estimate to the nearest whole number, the number of days on which demand exceeds supply

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