The mean finish time for a yearly amateur auto race was 185.92 minutes with a standard deviation of 0.387 minute. The winning car, driven byChris, finished in 184.81 minutes. The previous year's race had a mean finishing time of 112.2 with a standard deviation of 0.119 minute. Thewinning car that year, driven by Betty, finished in 111.83 minutes. Find their respective z-scores. Who had the more convincing victory?

From the given information we find the z score and compare.

Answered: he mean finish time for a yearly…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Similar questions

On the past mathematics test, the bottom 20% of students failed to pass the test. The mean for the test was 55 and the standard deviation was 11. what was the passing score
From the states data set, get the descriptive statistics for the violent crime rate. For this assignment, you will need the mean, standard deviation, five-number summary (minimum, 25th percentile, median, 75th percentile, maximum), and interquartile range. Submit all answers as whole numbers--no decimal points. If you have to calculate the interquartile range by hand, you may calculate it using whole numbers as the 25th and 75 percentile. How would i calculate this?
There are eight patients waiting in a doctor's waiting room. They have been waiting for 9 minutes, 2 minutes, 5 minutes, 4 minutes, 12 minutes, 7 minutes, 8 minutes, and 11 minutes. Calculate the population standard deviation for the patients' wait times (in minutes). Round to the nearest hundredth as needed.
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