User Account

All Pages

An irs study

Assignment Help Applied Statistics
Reference no: EM13759893

3. According to an IRS study, it takes a mean time of 290 minutes for taxpayers to prepare, copy and electronically transfer a 1040 tax form. The standard deviation of this distribution is 75 minutes. A consumer watchdog agency selects a random sample of 45 taxpayers for further study.

A. What is the shape, mean(expected value), and standard deviation of the sampling distribution of the sample mean for samples of size 45?

B. What is the probability that the sample mean is greater than 310 minutes?

C. What is the probability that the sample mean is less than 5 hours?

4. An airline wants to estimate the average number of unoccupied seats per flight. A random sample of 30 flights is selected and the mean number of unoccupied seats is 7.6. Assume that the population standard deviation of unoccupied seats is known to be 3.9. Compute and explain a 95% confidence interval estimate of the population mean number of unoccupied seats per flight.

5. Two percent (.02) of the items produced by a machine are defective. A random sample of 55 items is selected and checked for defects. Use the normal approximation to the binomial to find:

A) the probability that the sample will contain 4 or more defects? 

Reference no: EM13759893

Questions Cloud

Describe two types of software applications : Describe two types of software applications where you would recommend the use of service-oriented architecture. Provide a real-world example or scenario
Identify one real-life example of a market structure : Identify one real-life example of a market structure in your local city and relate your example to each of the characteristics of the market - Find the profit maximizing price and quantity and the resulting profit to the monopoly.
Compute the combined tax liability : Avis's taxable income for the year is $300,000 and Best's taxable income for the year is $425,000. For each of the scenarios provided, (a) state if a control group has been created and, if so, define the controlled and (b) compute the combined tax..
The population mean amount owed in student loans : A study of 37 graduates of four-year colleges revealed the mean amount owed by a student in student loans was $16,381. The standard deviation of the sample was $1,352. Construct and explain a 90% confidence interval estimate of the population mean am..
An irs study : 3. According to an IRS study, it takes a mean time of 290 minutes for taxpayers to prepare, copy and electronically transfer a 1040 tax form. The standard deviation of this distribution is 75 minutes. A consumer watchdog agency selects a random sampl..
Requirements for liquidating a corporation : State law varies as to the reporting requirements for liquidating a corporation. Using your home region/state/city, research the liquidation reporting requirements at the state and federal level and post the requirements to the discussion board.
What is distinctive about christian liberal arts : What is distinctive about "Christian" liberal arts? What is Mannoia as it relates to description as a center for a Christian Liberal Arts?
A medical doctor wishes to test the claim : A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is greater than 450. To do so, she selected a random sample of 25 divers and found s = 468.
An independent-measures study produces : An independent-measures study produces t(21)=3.00, p

Reviews

Write a Review

Applied Statistics Questions & Answers

  Hypothesis testing

What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?

  Calculate the maximum reduction in the standard deviation

Calculate the maximum reduction in the standard deviation

  Calculate the expected value, variance, and standard deviati

Calculate the expected value, variance, and standard deviation of the total income

  Determine the impact of social media use on student learning

Research paper examines determine the impact of social media use on student learning.

  Unemployment survey

Find a statistics study on Unemployment and explain the five-step process of the study.

  Statistical studies

Locate the original poll, summarize the poling procedure (background on how information was gathered), the sample surveyed.

  Evaluate the expected value of the total number of sales

Evaluate the expected value of the total number of sales

  Statistic project

Identify sample, population, sampling frame (if applicable), and response rate (if applicable). Describe sampling technique (if applicable) or experimental design

  Simple data analysis and comparison

Write a report on simple data analysis and comparison.

  Analyze the processed data in statistical survey

Analyze the processed data in Statistical survey.

  What is the probability

Find the probability of given case.

  Frequency distribution

Accepting Manipulation or Manipulating

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd