Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Test for survivability being independent on ticket class or crew status for survivors of the sinking of HMS titanic. Employ the following contingency table and significance level of 5%.

  1st Class 2nd Class 3rd Class Crew Total
Survived 203 118 178 212 711
Pershed 122 167 528 696 1513
Total 325 285 706 908 224

a) State in english the null and alternate hypothesis

b) Compute the test statistic

c) Find out the critival value

d) Draw and label the distribution employed and the position of values found in parts b) and c)

e) Based on these values what is the result of test of independence describeed in English

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922400

Have any Question? 


Related Questions in Statistics and Probability

Letnbspnbspbe a sequence of iid random variables with

Let   be a sequence of IID random variables with finite mean, µ, and let S n  be the sequence of sample means, (a) Show that the characteristic function of S n  can be written as  (b) Use Taylor's theorem to write the ch ...

Mr hood is a good archer he can regularly hit a target

Mr. Hood is a good archer. He can regularly hit a target having a 3-ft. diameter and often hits the bull's-eye, which is 0.5 ft. in diameter, from 50 ft. away. Suppose the miss is measured as the radial distance from the ...

If two events a and b are such that pra is not zero and prb

If two events A and B are such that Pr(A) is not zero and Pr(B) is not zero, what combinations of independent (I), not independent (NI ), mutually exclusive (M ), and not mutually exclusive (NM ) are permissible? In othe ...

Assessment - assessment overviewfor this assessment you

Assessment - Assessment overview For this assessment, you need to produce a report by generating responses to six tasks presented below. For some of these sections, you will need to use Excel to generate statistical outp ...

Discuss the other major weakness of the articles of

Discuss the other major weakness of the Articles of Confederation and show how our present-day Constitution overcame them.  Be sure to address how the Constitution addressed the economy, political instability, conflict's ...

Prove that all odd central moments of a gaussian random

Prove that all odd central moments of a Gaussian random variable are equal to zero. Furthermore, develop an expression for all even central moments of a Gaussian random variable.

A vector random variable x has a mean vector and

A vector random variable, X , has a mean vector and correlation matrix given by. A new random vector is formed according to   where the matrix A  is given by Find the mean vector, correlation matrix and covariance matrix ...

Sppose x is a poisson random variable with pmfnbspnbspk

Suppose X is a Poisson random variable with PMF,     k = 0,1,2...... Find the Chernoff bound for the tail probability

Suppose the arrival of telephone calls at a switch can be

Suppose the arrival of telephone calls at a switch can be modeled with a Poisson PMF. That is, if is the number of calls that arrive in minutes, then Where λ is the average arrival rate in calls/minute. Suppose that the ...

Use the matlab rand function to create a random variable

Use the MATLAB rand function to create a random variable uniformly distributed over    Then create a new random variable according to    Repeat this procedure many times to create a large number of realizations of y Find ...

  • 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