Many studies have investigated the question of whether people tend to think of an odd number when they are asked to think of a single-digit number (0 through 9; 0 is considered an even number). When asked to pick a number between 0 and 9, out of 90 students, 81 chose an odd number. Let the parameter of interest, , represent the probability that a student will choose an odd number.

Use the 2SD method to approximate a 95% confidence interval for . Round to three decimal places. ( , )