To gather data on a 1200-acre pine forest in louisiana, the u. s. forest service laid a grid of 1410 equally spaced circular plots over a map of the forest. a ground survey visited a sample of 10% of the plots selected using this method: 1. number the plots from 1 to 1410. 2. use a random number generator to select 141 different integers from 1 to 1410. 3. select the corresponding 141 plots. if you used the method described to generate a random sample of 3 plots, which of the following plots could be a legitimate random sample? 298, 772, 772 all of these are proper random samples. 8, 902, 148, 533 40, 825, 1470 115, 540, 876