HomeworkLib
Question

The mean finish time for a yearly amateur auto race was 186.64 minutes with a standard...

The mean finish time for a yearly amateur auto race was 186.64 minutes with a standard deviation of 0.302 minute. The winning​ car, driven by Alex​, finished in 185.85 minutes. The previous​ year's race had a mean finishing time of 110.5 with a standard deviation of 0.128 minute. The winning car that​ year, driven by Terry​, finished in 110.19 minutes. Find their respective​ z-scores. Who had the more convincing​ victory?

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
The mean finish time for a yearly amateur auto race was 186.64 minutes with a standard...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • The mean finish time for a yearly amateur auto race was 187.06 minutes with a standard...

    The mean finish time for a yearly amateur auto race was 187.06 minutes with a standard deviation of 0.389 minute. The winning car, driven by Ted, finished in 186.49 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.101 minute. The winning car that year, driven by Amber, finished in 110.21 minutes. Find their respective z-scores. Who had the more convincing victory? Ted had a finish time with a z-score of Amber...

  • The mean finish time for a yearly amateur auto race was 187 05 minutes with a...

    The mean finish time for a yearly amateur auto race was 187 05 minutes with a standard deviation of 0 346 minute. The winning car, diven by Roger tished in 186 18 minutes. The previous year's race had a mean finishing time of 112.1 with a standard deviation of 141 minute. The winning car that year, driven by Kate Bished in 111 89 minutes. Find their respective 2-scores Who had the more comincing victory? Roger had a finish time with...

  • The meantirish time for a yearly amateur auto race was 185 25 minutes with a standard...

    The meantirish time for a yearly amateur auto race was 185 25 minutes with a standard deviation of 35 minute. The winning Cardiven by Sam, finished in 184.17 minutes. The previous year's race had a mean finishing time of 1112 with a standard deviation of 0.129 minute. The winning car that your driven by the finished in 110 m Find the respective scores Who had the more convincing victory? Sam had a time with a score of Julie had a...

  • The Mean finish time for a yearly amateur auto race was 187.54 minutes with a standard...

    The Mean finish time for a yearly amateur auto race was 187.54 minutes with a standard devation of 0.383 minutes. The winning car, driven by Ted, finished in 186.61 mins. The previous year's race had a mean fishing time of 110.7 with a standard devation of .137 mins. The winning car that year, driven by Nina, finished in 110.34 mins. Find their respective z-scores. Who had the more convincing story?

  • The finish times for a 10 km race were normally distributed with a mean time of...

    The finish times for a 10 km race were normally distributed with a mean time of 44.5 minutes with a standard deviation of 3.83 minutes. What time separates the fastest 15% of runners who completed the race?

  • Every year, 1,000 engineers compete in a sports car road race. The mean (average) finishing time...

    Every year, 1,000 engineers compete in a sports car road race. The mean (average) finishing time is 55 minutes, with a standard deviation of 10 minutes. Justin and Cindy completed the race in 61 and 51 minutes, respectively. Barry and Lisa had finishing times with Z-scores of -0.3 and 0.7, respectively. Since the Z-score is the number of standard deviations above the mean, then the lowest Z-score corresponds to the fastest car. List the drivers, fastest to the slowest, based...

  • The times of the finishers in the New York City 10km run are normally distributed with mean of  minutes and st...

    The times of the finishers in the New York City 10km run are normally distributed with mean of  minutes and standard deviation  minutes. It is known that 70% of finishers have a finish time greater than 60 minutes. Let  denote the finishing time for finishers in this race. Find the standard deviation of the finishing time (). The times of the finishers in the New York City 10km run are normally distributed with mean of 61 minutes and standard deviation o minutes. It...

  • 11. The finish times for marathon runners during a race are normally distributed with a mean...

    11. The finish times for marathon runners during a race are normally distributed with a mean of 195 minutes and a standard deviation of 25 minutes. a) What is the probability that a runner will complete the marathon within 3 hours? b) Calculate to the nearest minute the tine by which the first 8% runners have completed the marathon c) What proportion of the runners will complete the marathon between 3 hours and 4 hours?

  • a. Time to finish a quiz in minutes follows a normal distribution with mean 6 and...

    a. Time to finish a quiz in minutes follows a normal distribution with mean 6 and standard deviation .7.  A student took 4.8 minutes. What is this student’s z-score? b. Time to finish a quiz in minutes follows a normal distribution with mean 6 and standard deviation .7. What proportion of students complete the quiz in less than 5.2 minutes? Use the normalcdf command on your calculator with 6 as the mean, .7 as the standard deviation, a very large negative...

  • Assume that the time to finish a small quiz, is denoted by X, which has a...

    Assume that the time to finish a small quiz, is denoted by X, which has a normal distribution with a mean of 10 minutes and a standard deviation equal to 6 minutes. If a student is randomly selected . What is the probability that he/she finished the quiz in less than 12 minutes?   Find the probability that he/she finished after 9 minutes? Find the probability that he/she needs at least 16 minutes to finish the quiz ? What percent of...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT