11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 > Question 26 of 31 (1 point) | Attempt 1 of 1 | View question in a popup | 53m 55s Remaining 8.2 Section Exercise 26 (calc) Sound it out: Phonics is an instructional method in which children are taught to connect sounds with letters or groups of letters. A sample of 138 first-graders who were learning English were asked to identify as many letter sounds as possible in a period of one minute. The average number of letter sounds identified was 34.09 with a standard deviation of 23.13. Part: 0 / 2 Part 1 of 2 (a) Construct a 98% confidence interval for the mean number of letter sounds identified in one minute. Round the answers to at least two decimal places. A 98% confidence interval for the mean number of letter sounds identified in one minute is