The Yankees best hitter has a lifetime batting average of .320. He has been at bat 325 times. a) How many hits has he had?
b) The same player goes into a slump and doesn’t get any hits at all for the next 10 at bats. What is his current batting average to the nearest thousandth?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%