For the first half of a baseball season, a player had 85 hits out of 272 times at bat. The player's batting average was 85 272 0.313. During the second half of the season, the player had 55 hits out of 281 times at bat. The player's batting average was 55 281 0.196. (Round your answers to three decimal places.) (a) What is the average (mean) of 0.313 and 0.196