Monthly fuel expenditure for randomly selected households are summarised in the figure below: Number of households...

  

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Monthly fuel expenditure for randomly selected households are summarised in the figure below: Number of households 500 450 400 350 300 250 200 150 100 50 0 Required: 1 1000 1500 2000 2500 3000 3500 4000 4500 Expenditure (N$/Month) a) How many families sampled spent more than N$ 3000 on fuel per month? b) What proportion of the families sampled spent at most N$ 2000 on fuel per month? How many families sampled spent between N$ 1001 and N$ 1500 on fuel per month? d) Provide an approximation for the number of the families sampled who spent more N$ 1250 on fuel per month. (3) Monthly fuel expenditure for randomly selected households are summarised in the figure below: Number of households 500 450 400 350 300 250 200 150 100 50 0 Required: 1 1000 1500 2000 2500 3000 3500 4000 4500 Expenditure (N$/Month) a) How many families sampled spent more than N$ 3000 on fuel per month? b) What proportion of the families sampled spent at most N$ 2000 on fuel per month? How many families sampled spent between N$ 1001 and N$ 1500 on fuel per month? d) Provide an approximation for the number of the families sampled who spent more N$ 1250 on fuel per month. (3)

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