A group of 100 people attempted a popular word game and the number of guesses required for each person to get the correct answer was tracked. The data are summarized in the table below. Number of guesses (x) 2 3 4 5 6 7 18 Frequency 10 8 16 26 29 13 7 Determine the expected value (mean number of guesses) for this distribution. Round to two decimal places