The weights, $$\(x \mathrm{~kg}\)$$, of each of 10 watermelons selected at random from Priya's shop were recorded. The results are summarised as follows $$\[ \sum x=114.2 \quad \sum x^{2}=1310.464 \]$$ Use your answer to part (b) to estimate the smallest proportion of watermelons in her shop that weigh less than $$\(10.5 \mathrm{~kg}\)$$ (3)

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