Question: 6. A discrete random variable X models the number of empty car bays in a certain staff carpark at loam on a Monday. From

6. A discrete random variable X models the number of empty car

6. A discrete random variable X models the number of empty car bays in a certain staff carpark at loam on a Monday. From past experience we know Px(X S 1) 0.8 and Px(X 2 1) = 0.4. Which of the following must be true? Px(X > 1) < 0.2 Px(X = 0) = 0.6 Px(X < 1) = 0.5 X must follow a Binomial Distribution. [3 marks]

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