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Maths Resources

A factory produces planks of wood. The planks are normally distributed with a mean length of 85cm and a standard deviation of 0.05 cm.  1) what are the lengths between which the central 68%...

Three dealers offer the following repayment options for a car with a marked price of £12600, tc: 20% deposit followed by 12 monthly payment of £900, ba: 114% of the marked price spread over...

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