Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. in a survey, 29 people were asked how much they sp

In a survey, 29 people were asked how much they spent on their child's last birthday...

90.2K

Verified Solution

Question

Statistics

In a survey, 29 people were asked how much they spent on theirchild's last birthday gift. The results were roughly bell-shapedwith a mean of $33 and standard deviation of $15. Use thetheory-based inference applet to find theconfidence interval at a 99% confidence level. Give youranswers to one decimal place.

  • We are 99% confident that the average (mean) amount that peoplespent on their child's last birthday gift, ĂŽÂĽĂŽÂĽ, wasbetween  dollars and  dollars.
  • The sample statistic is  dollars.
  • The margin of error is  dollars.
  • The confidence interval can be written as
    dollars ±±  dollars.

Answer & Explanation Solved by verified expert
4.1 Ratings (585 Votes)
Solution Given thatPoint estimate sample mean 33 dollarssample standard deviation s 15    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

An anthropogenic activity is any activity that affects the environment and is caused by human...

Biology
Q

A highly selective boarding school will only admit students who place at least 2 standard...

Statistics
Q

Co What is the margin or erro this interval in the format 14 31 Deer...

Statistics
Q

Shamrock Company’s income statement for the year ended December31, 2017, contained the following condensed...

Accounting
Q

Choose a myth of childhood: Santa, the Easter Bunny, the Tooth Fairy, a fairy tale, a...

Psychology
Q

Evergreen Company sells lawn and garden products to wholesalers. The company's fiscal year-end is December 31....

Accounting
Q

13. What are sex chromosomes?a. one chromosome that determine the organism's sexb. a pair of...

Biology
Q

Match the item Established new routes to Asia and overseas colonies to foster trade for...

Biology
Q

The names of 3 boys and 5 girls are written on cards. The cards are...

Basic Math
Q

Porter Corporation owns all 30,000 shares of the common stock of Street, Inc. Porter has...

Accounting
Q

Solve from question 1-10 ...

Accounting
Q

Chapter 9 Quiz Help Save & Exi Check After planning to build a new plant,...

Accounting