3.1.1 Show, with calculations, that the maximum capacity of the swimming pool is 765 n/. (5)
3.1.2 Calculate the volume of water (in gallons) required to fill the swimming pool to 94% of its capacity. (4)
3.1.3 The pool must be topped up with 135 000 t of water due to water loss. The pool is filled with water at a constant rate of 2 350 liters per hour.
Simone says that it will take exactly 2} days to top up the pool. Verify, showing ALL calculations, if her statement is valid. (5)
Use ANNEXURE C to answer the following questions.
3.2.1 Determine missing value x if the mean attendance for M is 15. (4)
3.2.2 Determine the interquartile range for A. (4)
3.2.3 Give a possible reason why E has full attendance on more days than M. (2)
3.2.4 Determine the probability (expressed as a whole percentage) of randomly choosing a day on which A has full attendance. (3)
3.2.5 Give TWO reasons why the attendance of A is considered to be better than that of M by using the box and whisker plots. (4)
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