Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis test for single proportion.

In a random sample of 400 employees of a local company, 180 were female.

a. At 95% confidence using the critical value approach, determine if the proportion of females in the company is significantly less than 50%.

b. At 95 percent confidence using the p-value approach, test to determine if the proportion of females in the company is significantly less than 50 percent.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922729

Have any Question? 


Related Questions in Statistics and Probability

You dont have to use any outsource resources for this work

You don't have to use any outsource resources for this work. Just read the article and answers the questions mention below in a form of essay. No refrences needed. It should be your own work, No plagarism. Page Format AP ...

Madison has just burnt 15 songs onto a music mix cd 5 are

Madison has just burnt 15 songs onto a music mix CD, 5 are country, 5 are pop, and 5 are Disney songs. If she is interested in randomly listening to 3 songs, how many different combinations of songs can she listen to if ...

Nbspan experiment consists of rolling a pair of six-sided

An experiment consists of rolling a pair of (six-sided) dice and observing the sum. This experiment is repeated until the sum of 7 is observed at which point the experiment stops. Let be the random variable which represe ...

Quantitative business analysis final exam-section 1 true or

Quantitative Business Analysis Final Exam- Section 1: True or false Q1. In the t distribution or student t distribution, standard deviation controls the shape of the curve. In addition, if the degree of freedom is greate ...

A certain random process is created as a sum of a large

A certain random process is created as a sum of a large number, , of sinusoids with random frequencies and random phases, where the random phases θ K  are IID and uniformly distributed over   and the random frequencies a ...

Construct a signal plus noise random sequence using 10

Construct a signal plus noise random sequence using 10 samples of: Where N[n] is a sequence of zero-mean, unit variance, IID Gaussian random variables, and  the time between samples of the process. (a) Calculate the peri ...

1 in a test of the effectiveness of garlic for lowering

1. In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their ...

Questionnbspproblem consists of two different scenarios

Question:  Problem consists of two different scenarios requiring you to find the market supply curve. a.  The market supply curve is given as P = 100 + 2Q. Several new firms enter this market and now you are told that at ...

1 the director of golf for a local course wants to study

1. The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a diffe ...

What statistical programs could help us with automated

What statistical programs could help us with automated procedure that identifies the best-fitting regression models with predictors we specify?

  • 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