Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

find out the required sample size using the given data.

Choose an appropriate sample size

A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that you're interested in the mean score, µ, on this subsection among the general population. You decide that you'll use the mean of a random sample of scores on this subsection to estimate µ. What is the least amount sample size needed in order for you to be 95 percent confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scores on this subsection.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920184

Have any Question? 


Related Questions in Statistics and Probability

A company finds that 1 out of every 6 workers it hires

A company finds that 1 out of every 6 workers it hires turns out to be unsatisfactory. Assume that the satisfactory performance of any hired worker is independent of that of any other hired workers. If the company hires ...

A meat packer is investigating the marked mass shown on

A meat packer is investigating the marked mass shown on Vienna sausages. A pilot study showed a mean of 11.8kg per pack and a standard deviation of 0.7kg. How many packs should be sampled in order to be 98% confident tha ...

Letnbspnbspbe a sequence of five independent discrete

Let   be a sequence of five independent discrete random variables, each with a distribution described by: (a) Find the probability mass function of the median (third largest) of these five samples. b) For this random var ...

A node in a communication network receives data packets of

A node in a communication network receives data packets of variable length. Each packet has a random number of bits that is uniformly distributed over the integers   The number of packet arrivals per minute is a Poisson ...

Which of the following statements is not true concerning

Which of the following statements is not true concerning the New England Restraining Act? A. It banned New England's commerce with the British West Indies B. It prohibited commerce between New England and any place excep ...

Research project - project title - an investigation into

Research Project - Project Title - An investigation into the under-filling of tuna cans and the demand for a new product. Cans are airtight containers which preserve processed food. These are mostly easy to cook food ite ...

A survey was taken at a k-6thnbspgrade schoolnbsp do you

A survey was taken at a K-6 th  grade school.  Do you have enough time at lunch? Given the table below, answer the following questions: Yes No Girls 35 124 Boys 100 62 If b represents the event of selecting a response fr ...

In the game of risk two players compete in a game of dice

In the game of RISK, two players compete in a game of dice rolling for conquest of the world. One player is on "offense" while the other is on "defense." For this problem, the player on offense is allowed to roll multipl ...

The input to a linear filter is a random process with the

The input to a linear filter is a random process with the following autocorrelation function: The impulse response of the filter is of the same form and is Determine the autocorrelation function of the filter output for

According to figures released by the new york city

According to figures released by the New York City government, smoking among New York City teenagers is on a decline, continuing a trend that began more than a decade ago (The New York Times, January 2, 2008). According ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate