Question

The mean time it took 128 people to complete a test is 100.8 minutes with a...

The mean time it took 128 people to complete a test is 100.8 minutes with a standard deviation of 9.7 minutes. Using Chebyshev's Theorem, determine at least how many people finished the test between 79.46 minutes and 122.14 minutes

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
From a sample with n=36, the mean duration of a​ geyser's eruptions is 3.26 minutes and...
From a sample with n=36, the mean duration of a​ geyser's eruptions is 3.26 minutes and the standard deviation is 0.73 minutes. Using​ Chebychev's Theorem, determine at least how many of the eruptions lasted between 1.07 and 5.45 minutes.
The amount of time in minutes that it took to complete a grocery store checkout for...
The amount of time in minutes that it took to complete a grocery store checkout for a sample of 5 transactions is shown below: Checkout time- 2, 11, 1, 6, 5 Compute the 60th percentile. What does this value mean? What is the variance? what is standard deviation?
From a sample with n=36, the mean duration of a geyser's eruptions is 3.62 minutes and...
From a sample with n=36, the mean duration of a geyser's eruptions is 3.62 minutes and the standard deviation is 0.67 minutes. Using chebychev's theorem, determine at least how many of the eruptions lasted between 2.28 and 4.96 minutes. At least__ of the eruptions lasted between 2.28 and 4.96 minutes.
From a sample with n=40, the mean duration of a? geyser's eruptions is 3.36 minutes and...
From a sample with n=40, the mean duration of a? geyser's eruptions is 3.36 minutes and the standard deviation is 0.53 minutes. Using? Chebychev's Theorem, determine at least how many of the eruptions lasted between 2.3 and 4.42 minutes. At least____________of the eruptions lasted between 2.3 and 4.42 minutes.
1.The average amount of time it takes to complete a particular Sociology test is 83.7 minutes....
1.The average amount of time it takes to complete a particular Sociology test is 83.7 minutes. In a recent study of 24 individuals that took the particular Sociology test, the average amount of time to complete the Sociology test was 79.2 minutes. The sample standard deviation was 9.4 minutes. At the 0.10 level of significance, can it be concluded that the average amount of time it takes to complete the particular Sociology test is less than 83.7 minutes?
The time to complete a standardized exam is approximately Normal with a mean of 70 minutes...
The time to complete a standardized exam is approximately Normal with a mean of 70 minutes and a standard deviation of 10 minutes. (z (X-μ)/σ) μ= σ= A) If students are given 85 minutes to complete the exam, what probability that students will not finish? B) What percent of students will complete the exam between 63 minutes and 80 minutes?
Commuting times for employees of a local company have a mean of 63.6 minutes and a...
Commuting times for employees of a local company have a mean of 63.6 minutes and a standard deviation of 2.5 minutes. What does Chebyshev's Theorem say about the percentage of employees with commuting times between 56.1 minutes and 71.1 minutes?
The time to complete a standardized exam is normally distributed with a mean of 55.8 minutes...
The time to complete a standardized exam is normally distributed with a mean of 55.8 minutes and a standard deviation of 9.3 minutes. The designers of the exam want to set a time limit where only 14% of the people taking the exam do not finish. What should this time limit be? Please explain where each number goes! I have to show full work!
The mean time taken by all participants to run a road race was found to be...
The mean time taken by all participants to run a road race was found to be 220 minutes with a standard deviation of 30 minutes. Using Chebyshev's theorem, find the minimum percentage of runners who ran this road race in a. 130 to 310 minutes: % b. 70 to 370 minutes: % c. 100 to 340 minutes: %
From a sample with n equals 36​, the mean duration of a​ geyser's eruptions is 3.41...
From a sample with n equals 36​, the mean duration of a​ geyser's eruptions is 3.41 minutes and the standard deviation is 0.98 minutes. Using​ Chebychev's Theorem, determine at least how many of the eruptions lasted between 0.47 and 6.35 minutes.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT