Question

Phone bills for residents of Shangri-La are normally distributed, with a mean of 98.75 gold coins...

Phone bills for residents of Shangri-La are normally distributed, with a mean of 98.75 gold coins and a standard deviation of 10.21 gold coins. Random samples of 48 phone bills are drawn from the population and the mean of each sample is determined.  Find the standard error of the mean of the indicated sampling distribution

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

Homework Answers

Answer #1

X : Phone bills for residents of Shangri-La .

X ~ N (98.75,10.21)

here,we have,

Random samples of 48 phone bills are drawn from the population ..so, sample size (n) = 48

the standard error of the mean of the indicated sampling distribution is:-

*** if you have any doubt regarding the problem please write it in the comment box.if you are satisfied please give me a LIKE if possible...

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 annual salary for one particular occupation is normally​ distributed, with a mean of about ​$127,000...
The annual salary for one particular occupation is normally​ distributed, with a mean of about ​$127,000 and a standard deviation of about ​$17,000. Random samples of 38 are drawn from this​ population, and the mean of each sample is determined. Find the mean and standard deviation of the sampling distribution of these sample means.​ Then, sketch a graph of the sampling distribution.
The heights of fully grown trees of a specific species are normally​ distributed, with a mean...
The heights of fully grown trees of a specific species are normally​ distributed, with a mean of 61.0 feet and a standard deviation of 6.00 feet. Random samples of size 19 are drawn from the population. Use the central limit theorem to find the mean and standard error of the sampling distribution. Then sketch a graph of the sampling distribution. The mean of the sampling distribution is ?. The standard error of the sampling distribution is ?
The heights of fully grown trees of a specific species are normally​ distributed, with a mean...
The heights of fully grown trees of a specific species are normally​ distributed, with a mean of 72.5 feet and a standard deviation of 7.50 feet. Random samples of size 15 are drawn from the population. Use the central limit theorem to find the mean and standard error of the sampling distribution. Then sketch a graph of the sampling distribution.
The heights of fully grown trees of a specific species are normally​ distributed, with a mean...
The heights of fully grown trees of a specific species are normally​ distributed, with a mean of 78.5 feet and a standard deviation of 7.50 feet. Random samples of size 17 are drawn from the population. Use the central limit theorem​ (CLT) to find the mean and standard error of the sampling distribution. The mean of the sampling distribution is mu Subscript x overbarequals nothing. The standard error of the sampling distribution is Ooverbarre is
The heights of fully grown trees of a specific species are normally​ distributed, with a mean...
The heights of fully grown trees of a specific species are normally​ distributed, with a mean of 62.062.0 feet and a standard deviation of 6.756.75 feet. Random samples of size 1616 are drawn from the population. Use the central limit theorem to find the mean and standard error of the sampling distribution. Then sketch a graph of the sampling distribution. The mean of the sampling distribution is mu Subscript x overbarμxequals=nothing. The standard error of the sampling distribution is sigma...
17) In a certain city, the household electricity bills are approximately normally distributed with a mean...
17) In a certain city, the household electricity bills are approximately normally distributed with a mean of $150 and a standard deviation of $25. A researcher took random samples of 25 electricity bills for a certain study. a. Based on this information, what is the expected value of the mean of the sampling distribution of mean? b. What is the standard error of the sampling distribution of mean? c. If his one sample of 25 bills has an average cost...
the weight of people in a certain population are normally distributed with a mean of 158...
the weight of people in a certain population are normally distributed with a mean of 158 lbs and a standard deviation of 24lbs. find the the mean and standard error of the mean for this sampling distribution when using random samples of size 5
The amounts of time employees of a telecommunications company have worked for the company are normally...
The amounts of time employees of a telecommunications company have worked for the company are normally distributed with a mean of 5.6 years and a standard deviation of 1.9 years. Random samples of size 28 are drawn from the population and the mean of each sample is determined. Use the Central Limit Theorem to find the mean and standard error of the mean of the sampling distribution. ​(Round to two decimal places as needed​).
6. Assume that the weights of coins are normally distributed with a mean of 5.67 g...
6. Assume that the weights of coins are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.48 g and 5.82 g. What percentage of legal quarters will be rejected by the machine? Give your answer in the percentage format (using % symbol), rounded to two decimal places. 7. Assume that values of variable x are normally distributed, with the mean μ = 16.2 and the...
The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and...
The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and a standard deviation of 6.9 centimeters. Suppose 200 random samples of size 25 are drawn from this population and the means recorded to the nearest tenth of a centimeter. Determine (a) the mean and standard deviation of the sampling distribution of X¯; (b) the number of sample means that fall between 171 and 177 cm.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT