Consider a rod of length 30 for which α2 = 1. suppose the initial temperature distribution is given by u(x, 0) = x(60 − x)/30 and that the boundary conditions are u(0, t) = 30 and u(30, t) = 0

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