Question

The shape of the distribution of the time required to get an oil change at a...

The shape of the distribution of the time required to get an oil change at a 15​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 16.1 minutes​, and the standard deviation is 3.6 minutes. Complete parts ​(a) through ​(c). ​(a) To compute probabilities regarding the sample mean using the normal​ model, what size sample would be​ required?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

TOPIC:Application of the Central limit theorem.

0 0
Know the answer?
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
Similar Questions
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 20​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 21.7 minutes​, and the standard deviation is 4.6 minutes. ​(a) To compute probabilities regarding the sample mean using the normal​ model, what size sample would be​ required? ​(b) What is the probability that a random sample of nequals35 oil changes results in a sample mean time less than 20 ​minutes?
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 20​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 21.4 minutes​, and the standard deviation is 3.7 minutes. Complete parts ​(a) through ​(c). ​(a) To compute probabilities regarding the sample mean using the normal​ model, what size sample would be​ required? ​(b) What is the probability that a random sample of nequals35 oil changes results in a sample mean time...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 20 -minute oil-change facility is unknown. However, records indicate that the meantime is 21.2 minutes, and the standard deviation is 3.4 minutes (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? (b) What is the probability that a random sample of nequals=40 oil changes results in a sample mean time less than 20 minutes? (a)...
The shape of the distribution of the time is required to get an oil change at...
The shape of the distribution of the time is required to get an oil change at a 15-minute oil-change facility is unknown. However, records indicate that the mean time is 16.2 minutes, and the standard deviation is 4.2 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? A. The sample size needs to be less than or equal to 30. B. The sample size needs...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10 -minute oil-change facility is unknown. However, records indicate that the meantime is 11.8 minutes , and the standard deviation is 4.6 minutes.Complete parts (a) through (c) below. (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? Choose the required sample size below. A. The sample size needs to be greater than 30. B. Any...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 1515 -minute oil-change facility is unknown. However, records indicate that the mean time is 16.6 minutes and the standard deviation is 3.6 minutes Complete parts (a) through (c) below. What is the probability that a random sample of nequals=35 oil changes results in a sample mean time less than 15 minutes? Suppose the manager agrees to pay each employee a $50 bonus if they...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 15 ​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 16.1 minutes, and the standard deviation is 4.2 minutes. C) Suppose the manager agrees to pay each employee a​ $50 bonus if they meet a certain goal. On a typical​ Saturday, the​ oil-change facility will perform 40 oil changes between 10 A.M. and 12 P.M. Treating this as a random​...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10 ​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 11.6 minutes ​, and the standard deviation is 4.3 minutes What is the probability that a random sample of n =35 oil changes results in a sample mean time less than 10 ​minutes?
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 20​-minute ​oil-change facility is unknown.​ However, records indicate that the mean time is 21.6 minutes and the standard deviation is 4.7 minutes. Complete parts ​((c). Suppose the manager agrees to pay each employee a​ $50 bonus if they meet a certain goal. On a typical​ Saturday, the​ oil-change facility will perform 45 oil changes between 10 A.M. and 12 P.M. Treating this as a...
The shape of the distribution of the time required to get an oil change at a...
The shape of the distribution of the time required to get an oil change at a 10-Minute oil-change facility is unknown.​ However, records indicate that the mean time is 11.2 minutes, and the standard deviation is 4.9 minutes. What is the probability that a random sample of n=35 oil changes results in a sample mean time less than 10 minutes? Please answer rounding to four decimal places.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT