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Question 5 of 17 ( point) | Attempt t of 1 View question in a popup | 0 43 20s Remaining 8.2 Section Exercise 26 ( 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 140 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 34.06 with a standard deviation of 23.33. Part: 0 / 2 Part 1 of 2 (a) Construct a 99.5% confidence interval for the mean number of letter sounds identified in one minute. Round the answers to at least two decimal places. A 99 5% confidence interval for the mean number of letter sounds identified in one minute is