Using linear approximation, estimate δf for a change in x from x=a to x=b. use the estimate to approximate f(b), and find the error using the calculator. f(x)=√x, a=16, b=23.

(give your answer to four decimal places.)

δf=

f(b)=

(give your answer to six decimal places.)

error =

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