A simple random sample of size (n=40) is drawn from a population. The sample mean is found

Question:

A simple random sample of size $n=40$ is drawn from a population. The sample mean is found to be $\bar{x}=120.8$, and the sample standard deviation is found to be $s=12.3$. Construct a $99 \%$ confidence interval for the population mean.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics Informed Decisions Using Data

ISBN: 9781292157115

5th Global Edition

Authors: Michael Sullivan

See More Books

Question Posted: Mar 29, 2024 10:00 PM

See More Questions

A physician claims that a person's diastolic blood pressure can differ if, instead of taking a drug, the person meditates each evening. Ten subjects are randomly selected and pretested. Their blood...
Consider an example of a new car sale yard and the managers predicted that they would sell 1,400 of model A and 1,800 of model B in the fiscal year. They would prepare their budget accordingly. Sales...
A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x = 120.5, and the sample standard deviation is found to be s = 12.9. Construct a 99% condence...
Use your answer to question 44 to compute the cumulative frequencies. Use the following prices of Swiss stocks to answer question. Question 44 Use your answer to question 43 to construct a tally...
Davidson Industries, a sole proprietorship, sold the following assets in 2016: a. The following questions relate to the sale of the warehouse: (1). What is the adjusted basis of the warehouse? (2)....
What are the advantages and disadvantages of your decision-making profile?
Explain the various factors that affect estate principal. AppendixLO1
Refer to Exercise E25-13. Assume that Best Video can avoid $45,000 of fixed costs by dropping the DVD product line (these costs are direct fixed costs of the DVD product line). Prepare a differential...
Consider a two-asset portfolio invested with $10 in each asset. The mean returns of the two assets are 12% and 18%. The correlation of returns is 50%. The standard deviation of returns is 25% and...
A simple random sample of size 20 is drawn from a population that is known to be normally distributed. The sample variance, $s^{2}$, is determined to be 12.8 . Construct a $90 \%$ confidence...
A simple random sample of size $n=23$ is drawn from a population that is normally distributed. The sample mean is found to be $\bar{x}=67$, and the sample standard deviation is found to be...
The depth downstream of a sluice gate in a rectangular wooden channel of width $5 \mathrm{~m}$ is $0.60 \mathrm{~m}$. If the flowrate is $18 \mathrm{~m}^{3} / \mathrm{s}$, determine the channel...
What's your favourite way to promote and build interpersonalwellness? How do you nurture your relationships? How do you build friendships? How do you show your loved ones that you care? Share your...
What is the best way to summary this formation? IMC Communication Objectives Increase from 0% to 75% of Millennials in the Dallas-Fort Worth area, ages 22 - 34, with a four-year college degree,...
Branding is very important to marketing, that is while most businesses focus on brands that attract customer's interest. Store brand is unique to a particular store compared to national brand . A...
Do you think that your score accurately reflects your global mindset? Why or why not? What, if anything, is missing from the assessment? How do you think that having a higher global mindset will help...
Healthcare is an ever-changing industry that requires healthcare organizations to align with those changes or risk being left behind. With the advances being made in technology, every corner seems to...
Consider the model with equality constraints given in Prob. 4.6-2. (a) Construct its dual problem. (b) Demonstrate that the answer in part (a) is correct (i.e., equality constraints yield dual...
United Business Forms capital structure is as follows: Debt ............................................ 35% Preferred stock ........................... 15 Common equity .......................... 50...
Julia Co. purchased a trading debt security on October 4 of the current year for $50,000. The market value of the stock investment at year-end is $47,000. What value will be reported in net income...
1. (A nice inharitage) Suppose $1 were invested in 1776 at 3.3% interest compounded yearly a) Approximatelly how much would that investment be worth today: $1,000, $10,000, $100,000, or $1,000,000?...
Why Should not the government subsidize home buyers who make less than $120K per year. please explain this statement

A simple random sample of size (n=40) is drawn from a population. The sample mean is found

Question:

Step by Step Answer:

Lower b...View the full answer

Statistics Informed Decisions Using Data

Students also viewed these Business questions