According to 7News, pet adoptions recorded a spike during the COVID 19 lockdown period. A veterinary clinic owner wanted to know the proportion of people who adopted a pet during the same period in the Ryde City Council (RCC) area. In a survey of 31 randomly selected RCC residents, 13 of them said they adopted a pet during COVID 19 lockdown.

1. (1 mark) What is the best point estimate for the proportion of Ryde City Council residents who adopted a pet during the COVID 19 lockdown period? (round to 3dp)
2. Construct a 95% confidence interval to estimate the true proportion of Ryde City Council residents who adopted a pet during the COVID 19 lockdown period.
3. The lower bound is (round to 3dp)
4. The upper bound is (round to 3dp)