In: Statistics and Probability
On January 1, 2018, 410 out of a sample of 957 voters approved Justin Trudeau's performance as Prime Minister. On January 1, 2019 , 363 out of a sample of 930 voters approved of Justin Trudeau's performance as Prime Minister. What is the lower confidence limit(LCL) of the 99% confidence interval estimate of the difference between the percent of voters who approved of Trudeau's performance in 2019and those who approved of it in 2018? Give your answer as a PERCENT , rounded to two decimal points.