Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. the mean preparation fee h&r block charged ret

The mean preparation fee H&R Block charged retail customers in 2012 was $183 (The Wall Street Journal,...

60.1K

Verified Solution

Question

Statistics


Themean preparation fee H&R Block charged retail customers in 2012was $183 (The Wall Street Journal, March 7, 2012). Use this priceas the population mean and assume the population standard deviationof preparation fees is $50. a. What is the probability that themean price for a sample of 30 H&R Block retail
customers is within $8 of the population mean? b. What is theprobability that the mean price for a sample of 50 H&R Blockretail
customers is within $8 of the population mean? c. What is theprobability that the mean price for a sample of 100 H&R Blockretail
customers is within $8 of the population mean? d. Which, if any, ofthe sample sizes in parts (a), (b), and (c) would you recommendto
haveat least a .95 probability that the sample mean is within $8 of thepopulation mean?

Answer & Explanation Solved by verified expert
3.8 Ratings (545 Votes)
    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: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Basic Math
1.2K views

Thirty-five small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

Biology
1.2K views

Plates migrate at a rate of many miles per year O True O False

Physics
1.2K views

A ball collides with another identical ball which was initially at rest The speed of...

Basic Math
1.2K views

A group of test subjects is divided into twelve groups; then four of the groups...

Algebra
1.2K views

Parabolas Write the equations in the proper form Name the vertex and focus the equations...

Algebra
1.2K views

Practice No Calculator Solve for y 2 y 3 y 42 12 2 Solve for...

Accounting
1.2K views

1. Briefly describe two situations in which changes in fair value are not reported on...

Accounting
1.2K views

Account balances at the beginning of the year were: accounts receivable, $170,000, and inventory, $300,000....

Accounting
1.2K views

Mark Zuckerberg, founder and CEO of the famous, questionable Facebook used to be considered as...

Accounting
1.2K views

Winslow Inc. manufactures and sells three types of shoes. The income statements prepared under the...

Accounting
1.2K views

I need the general ledger for all account titles please. Thank you! Elite Realty UNADJUSTED...

Finance
1.2K views

Anytown Bank has the following ratios a. Profit margin: 21% b. Asset utilization: 11% c....