1) A ridged 1.0 L cylinder contains 1.0 moles of O2 gas at 25.0°C and another ridged 1.0 L cylinder contains 1.0 moles of CH4 gas at 25.0°C. Is the average speed of

the O2 gas particles greater than, less than, or the same as the average speed of the

CH4 gas particles? Justify your answer.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score