Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

The football coach randomly chosen ten players and timed how long each player took to carry out the certain drill. The times (in minutes) were:

players minutes
1 6
2 15
3 5
4 11
5 11
6 5
7 7
8 9
9 15
10 11

Suppose that the population has the normal distribution. Find out a 95 percent confidence interval for population standard deviation sigma.

1. (2.700, 19.023)

2. (2.579,6.845)

3. 3.749

4. (2.064, 7.213)

5. None of above (do allow for slight rounding errors or table differences in selecting your solution)

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921580

Have any Question? 


Related Questions in Statistics and Probability

The average age of a part-time employee at a ski resort has

The average age of a part-time employee at a ski resort has historically been 37 years. A random sample of 50 part-time employees in 2011 had a sample mean age of 38.5 years with a sample standard deviation of 16 years. ...

Practice problem assignment - probability1 you are planning

Practice Problem Assignment - Probability 1. You are planning an experiment with combination drug therapy. You have four different medications, Alphacillin, Betacillin, Chicillin and Deltacillin. You want to do a trial t ...

Suppose a zero-mean gaussian random processxt has a psd

Suppose a zero-mean Gaussian random process,X(t) , has a PSD given by  We desire to simulate a 5-ms segment of this process sampled at a rate of 2 kHz. Therefore, 10 samples will need to be created in our simulation. We ...

Suppose a pair of random variablesnbsp xy uniformly

Suppose a pair of random variables  (X,Y) uniformly distributed over a rectangular region  Find the conditional PDF (X,Y) given the conditioning event   where the region is an arbitrary region completely contained within ...

Use the matlab randn function to create a gaussian

Use the MATLAB randn function to create a Gaussian distributed random variable Y . Repeat this procedure and form a new random variable X . Finally, form a random variable according to  Repeat this procedure many times t ...

A shot noise process with random amplitudes is defined

A shot noise process with random amplitudes is defined by where the are a sequence of points from a Poisson process and the A i  are IID random variables which are also indpendent of the Poisson points. (a) Find the mean ...

Topic statistics can be misleadingno doubt every day we are

Topic: Statistics Can Be Misleading No doubt, every day we are exposed to statistics. They influence nearly every aspect of our lives. Unfortunately, often times the statistics presented to us are incomplete, misleading, ...

Suppose x and y are independent and gaussian with means

Suppose X and Y are independent and Gaussian with means of   respectively, and equal variances of σ   The polar variables are formed according to    (a) Find the joint PDF of R and Θ (b) Show that the marginal PDF of fol ...

Consider a sequence of iid random variablesnbspnbspeach

Consider a sequence of IID random variables   each with CDF   This sequence clearly converges in distribution since    Show that this sequence does not converge in any other sense and therefore convergence in distributio ...

The heart of darkness is one of the great literary

The Heart of Darkness is one of the great literary criticisms of Imperialism in Africa. Marlow, the main character, is originally fascinated by the possibilities that exploring Africa has to offer a young man seeking his ...

  • 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