The length of the winning word in the National Spelling Bee is approximately normally distributed with a mean of 9 and standard deviation of 2. (a) Where on the standard normal curve would a word length of 5 be? A B C D E F G AB A B C DEE D E F (5 (b) Find and interpret the z-score for a word length of 8. Round z-score to 2 decimal places. x = This word length is above the mean because the z-score is positive This word length is above the mean because the z-score is negative This word length is below the mean because the z-score is positive This word length is below the mean because the z-score is negative This word length is equal to the mean because the z-score is 0 O O O O O Submit