1. In a sample of 39 students, 27 said they worked part-time. Find the 90% Confidence Interval for the proportion of students who work part-time. Round off the margin of error and the limits to three significant digits.

2. In a survey of a sample of 4,500 gamers worldwide 61.6% said they would not quit their job if they could support themselves gaming. Calculate the 95% Confidence Interval estimate for the population proportion. Round off the margin of error and the limits to three significant digits.