A fish story: The mean length of one-year-old spotted

Last updated: 7/18/2022

A fish story: The mean length of one-year-old spotted flounder, in millimeters, is 133 with a standard deviation of 19, and the mean length of two-year-old spotted flounder is 168 with a standard deviation of 32. The distribution of flounder lengths is approximately bell-shaped. (a) Anna caught a one-year-old flounder that was 150 millimeters in length. What is the z-score for this length? Round the answer to at least two decimal places. Anna's z-score is