1.2 The speeds of 34 randomly selected cars are collected over one month in randomly selected school zones. An average speed of 29.8 m.p.h. with a standard deviation of 3.96 m.p.h are calculated from this dataset. Calculate the 95% confidence interval for the population's average speed. t table a (5 points) Lower Bound (2 decimal places) = ________ Upper Bound (2 decimal places) = ________