Ancient Greek pottery. Refer to the Chance (Fall 2000)

study of 837 pieces of pottery found at the ancient Greek settlement at Phylakopi, presented in Exercise 2.186

(p. 134). Of the 837 pieces, 183 were painted with either a curvilinear, geometric, or naturalistic decoration. Find a 90% confidence interval for the population proportion of all pottery artifacts at Phylakopi that are painted. Interpret the resulting interval.