Question

Question 3 4 pts A sample of salaries of 57 college graduates who took a statistics...

Question 3 4 pts
A sample of salaries of 57 college graduates who took a statistics course in college have a​ mean of $78,829 and a standard​ deviation of $10,086​. Construct a 91​% confidence interval for estimating the population mean.
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer:

Given that:

A sample of salaries of 57 college graduates who took a statistics course in college have a​ mean of $78,829 and a standard​ deviation of $10,086​. Construct a 91​% confidence interval for estimating the population mean.

91% C.I for population mean is we know

Margin of error

C.I is

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
Salaries of 45 college graduates who took a statistics course in college have a mean, x...
Salaries of 45 college graduates who took a statistics course in college have a mean, x overbar , of $ 65 comma 900 . Assuming a standard deviation, sigma , of $12 comma 992 , construct a 95 % confidence interval for estimating the population mean u .
Salaries of 4747 college graduates who took a statistics course in college have a​ mean, x...
Salaries of 4747 college graduates who took a statistics course in college have a​ mean, x overbarx​, of $63,000. Assuming a standard​ deviation, sigmaσ​, of ​$16 comma 37216,372​, construct a 9090​% confidence interval for estimating the population mean μ. ​(Round to the nearest integer as​ needed.)
Salaries of 44 college graduates who took a statistics course in college have a​ mean,x​bar,of $63,600.Assuming...
Salaries of 44 college graduates who took a statistics course in college have a​ mean,x​bar,of $63,600.Assuming a standard​ deviation,σ​,of $12,063​,construct a 95​% confidence interval for estimating the population mean μ. ____< mu<____
Salaries of 47 47 college graduates who took a statistics course in college have a​ mean,...
Salaries of 47 47 college graduates who took a statistics course in college have a​ mean, x overbar x​, of $ 63 comma 400 $63,400. Assuming a standard​ deviation, sigma σ​, of ​$ 11 comma 850 11,850​, construct a 99 99​% confidence interval for estimating the population mean mu μ.
Salaries of 48 college graduates who took a statistics course in college have a​ mean, x...
Salaries of 48 college graduates who took a statistics course in college have a​ mean, x of $ 60,700. Assuming a standard​ deviation, sigma​, of ​$10,499​, construct a 90​% confidence interval for estimating the population mean mu. Click here to view a t distribution table. LOADING... Click here to view page 1 of the standard normal distribution table. LOADING... Click here to view page 2 of the standard normal distribution table. LOADING... ​$ nothingless thanmuless than​$ nothing ​(Round to the...
(1 point) Starting salaries of 135 college graduates who have taken a statistics course have a...
(1 point) Starting salaries of 135 college graduates who have taken a statistics course have a mean of $42,583. The population standard deviation is known to be $9,171. Using 99% confidence, find both of the following: A. The margin of error: B. Confidence interval: ,
How to calculate margin of error for this question? Starting salaries of 80 college graduates who...
How to calculate margin of error for this question? Starting salaries of 80 college graduates who have taken a statistics course have a mean of $42,893. Suppose the distribution of this population is approximately normal and has a standard deviation of $10,748. Use a 93% confidence level. Can't get the answer right :(
Starting salaries of 64 college graduates who have taken a statistics course have a mean of...
Starting salaries of 64 college graduates who have taken a statistics course have a mean of $42,500 with a standard deviation of $6,800. Find a 68% confidence interval for ?μ. (NOTE: Do not use commas or dollar signs in your answers. Round each bound to three decimal places.)
Starting salaries of 64 college graduates who have taken a statistics course have a mean of...
Starting salaries of 64 college graduates who have taken a statistics course have a mean of $43,500 with a standard deviation of $6,800. Find a 68% confidence interval for μ. (NOTE: Do not use commas or dollar signs in your answers. Round each bound to three decimal places.) Lower-bound: Upper-bound:
Use the given confidence level and sample data to find a confidence interval for the population...
Use the given confidence level and sample data to find a confidence interval for the population standard deviation sigma. Assume that a simple random sample has been selected from a population that has a normal distribution. Salaries of college graduates who took a statistics course in college 80​% ​confidence; nequals61​, x overbarequals​$56 comma 600​, sequals​$16 comma 432
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT