The Population Has A Parameter Of Π=0.57π=0.57. We Collect A Sample And Our Sample Statistic Is ˆp=172200=0.86p^=172200=0.86 . Use The Given Information Above To Identify Which Values Should Be Entered Into The One Proportion Applet In Order To Create A Simulated Distribution Of 100 Sample Statistics. Notice That It Is Currently Set To "Number Of Heads."
The mean finish time for a yearly amateur auto race was 186.94 minutes with a standard deviation of 0.372 minute. The winning car, driven by Sam, finished in 185.85 minutes. The previous year's race had a mean finishing time of 110.7 with a standard deviation of 0.115 minute. The winning car that year, driven by Karen, finished in 110.48 minutes. Find their respective z-scores. Who had the more convincing victory?
Sam had a finish time with a z-score of ___
Karen had a finish time with a z-score of ___ (Round to two decimal places as needed.)
Which driver had a more convincing victory?
A. Sam had a more convincing victory because of a higher z-score.
B. Karen a more convincing victory because of a higher z-score.
C. Sam had a more convincing victory, because of a lower z-score.
D. Karen a more convincing victory because of a lower z-score.