ZuoTi.Pro
Question

29. The mean preparation fee H&R Block charged retail customers last year was $183 (The Wall Street Journal, March 7, 2012). Use this price as the population mean and assume the population standard deviation of preparation fees is $50. a. What is the probability that the mean price for a sample of 30 H&R Block retail b. What is the probability that the mean price for a sample of 50 H&R Block retail c. What is the probability that the mean price for a sample of 100 H&R Block retail d. Which, if any, of the sample sizes in parts (a), (b), and (c) would you recommend to customers is within $8 of the population mean? customers is within $8 of the population mean? customers is within $8 of the population mean? have at least a.95 probability that the sample mean is within $8 of the population mean?
math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

キ2 μ-183 121 S 60 (4) op长ono 8

0 0
Add a comment
Know the answer?
Add Answer to:
29. The mean preparation fee H&R Block charged retail customers last year was $183 (The Wall...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

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

    The mean preparation fee H&R Block charged retail customers was $183 (The Wall Street Journal, March, 2012). Use this price as population mean deviation of preparation fee is $50 and assume the population standard a. What is the probability that the mean price for a sample of 1 within S8 of the population mean? 00 H&R Block retail customers is b. What is the probability that the mean price for a sample of 100 H&R Block retail customers is more...

  • The mean preparation fee H&R Block charged retail customers last year was $183. Use this price...

    The mean preparation fee H&R Block charged retail customers last year was $183. Use this price as the population mean and assume the population standard deviation of preparation fees is $50. What is the probability that the mean price for a sample of 30 H&R Block retail customers is within $8 of the population mean? (Round to four decimal places) Answer What is the probability that the mean price for a sample of 50 H&R Block retail customers is within...

  • The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...

    The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was $16,677. Assume that the standard deviation is σ = $2,683. Use z-table. a. What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $192 of the population mean for each of...

  • The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...

    The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was $17,672. Assume that the standard deviation is =$2,705. Use z-table. a. What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $162 of the population mean for each of the following...

  • BANATest4Fall2019 Excel O Search Formulas View Help Insert Draw Page Layout Data Review A B C...

    BANATest4Fall2019 Excel O Search Formulas View Help Insert Draw Page Layout Data Review A B C D E G H K Business Analytics put your name here Test 4 Question 1 This question is on one page with 4 parts The CPA Practice Advisor reports that the mean preparation fee for 2017 federal income tax returns was $273. Use this price as the population mean and assume the population standard deviation of preparation fees is $100. 1. What is the...

  • 1. A population has a mean of 129. If a random sample of 8 items from...

    1. A population has a mean of 129. If a random sample of 8 items from the population results in the following sampled​ values, what is the sampling error for the​ sample? 145, 129, 108, 153, 149, 154, 117, 120 2. For a population with a mean equal to 250 and a standard deviation equal to 25​, calculate the standard error of the mean for the following sample sizes. ​a) 10 ​b) 40 ​c) 70 3. Managers at a local...

  • Hello, I'm doing some midterm review and am having trouble understanding these questions, could you walk...

    Hello, I'm doing some midterm review and am having trouble understanding these questions, could you walk me through how to solve for these step by step so I can follow along and learn from how they were completed? Thanks in advance! This information comes from Essentials of Statistics for Business and Economics 8th edition 1 Based on exercise 17 from chapter 6 in the textbook. The mean cost of domestic airfares rose to an all-time high of $385 per ticket...

  • 1. Many companies use a incoming shipments of parts, raw materials, and so on. In the...

    1. Many companies use a incoming shipments of parts, raw materials, and so on. In the electronics industry, component parts are commonly shipped from suppliers in large lots. Inspection of a sample of n components can be viewed as the n trials of a binomial experimem. The outcome for each component tested (trialD will be that the component is classified as good or defective defective components in the lot do not exceed 1 %. Suppose a random sample of fiver...

  • The following ANOVA model is for a multiple regression model with two independent variables: Degrees of            Sum of                 Mean Source           Freedom            Squares              ...

    The following ANOVA model is for a multiple regression model with two independent variables: Degrees of            Sum of                 Mean Source           Freedom            Squares                Squares       F       Regression            2                    60 Error                   18                 120 Total                   20                 180 Determine the Regression Mean Square (MSR): Determine the Mean Square Error (MSE): Compute the overall Fstat test statistic. Is the Fstat significant at the 0.05 level? A linear regression was run on auto sales relative to consumer income. The Regression Sum of Squares (SSR) was 360 and...

  • H&R BLOCK Tax Analyst Certification - Case Study 2 Prepare a return using BlockWorks in PRACTICE...

    H&R BLOCK Tax Analyst Certification - Case Study 2 Prepare a return using BlockWorks in PRACTICE mode. Access and use the BlockWorks shell return by entering the following four-digit code: 6102. A unique SSN will be generated by the software. Be sure to note this unique shell SSN so that you will be able to re-access this return. Prepare a 2017 Schedule E (Form 1040) for Mona. Any of Mona's information that is not associated with the Schedule E (Form...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT