The ages of guests at a family party were recorded. The results are summarised in the table. [Table 12.1 - Data table showing Age (b years) categories (5<b<=10, 10<b<=20, 20<b<=30, 30<b<=50) and corresponding Frequencies (p, 18, 14, q).] The histogram below shows some of these results. [Figure 12.1 - A histogram with Frequency density on the y-axis (0 to 2.0) and Age (b years) on the x-axis (0 to 50). Bars are shown for 10<b<=20 (height 1.8), 5<b<=10 (height 1.0), 30<b<=50 (height 0.8). The bar for 20<b<=30 is missing.]

1. (a)(i)Use the histogram to find the value of p,[1]
2. (a)(ii)Use the histogram to find the value of q.[1]
3. (b)Complete the histogram.[1]

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